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385471476 = 22321337113197
BaseRepresentation
bin10110111110011…
…101001111110100
3222212022222110100
4112332131033310
51242140041401
6102125554100
712360311355
oct2676351764
9885288410
10385471476
11188652475
12a9115930
1361b25740
14392a1d2c
1523c93b86
hex16f9d3f4

385471476 has 144 divisors (see below), whose sum is σ = 1092755664. Its totient is φ = 113799168.

The previous prime is 385471433. The next prime is 385471483. The reversal of 385471476 is 674174583.

385471476 is a `hidden beast` number, since 38 + 547 + 1 + 4 + 76 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 291600 + 385179876 = 540^2 + 19626^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1956610 + ... + 1956806.

It is an arithmetic number, because the mean of its divisors is an integer number (7588581).

Almost surely, 2385471476 is an apocalyptic number.

385471476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385471476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546377832).

385471476 is an abundant number, since it is smaller than the sum of its proper divisors (707284188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385471476 is a wasteful number, since it uses less digits than its factorization.

385471476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 365 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 385471476 is about 19633.4275153372. The cubic root of 385471476 is about 727.7754736692.

The spelling of 385471476 in words is "three hundred eighty-five million, four hundred seventy-one thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 37 39 52 74 78 111 113 117 148 156 197 222 226 234 333 339 394 444 452 468 481 591 666 678 788 962 1017 1182 1332 1356 1443 1469 1773 1924 2034 2364 2561 2886 2938 3546 4068 4181 4329 4407 5122 5772 5876 7092 7289 7683 8362 8658 8814 10244 12543 13221 14578 15366 16724 17316 17628 21867 22261 23049 25086 26442 29156 30732 37629 43734 44522 46098 50172 52884 54353 65601 66783 75258 87468 89044 92196 94757 108706 131202 133566 150516 163059 189514 200349 217412 262404 267132 284271 289393 326118 379028 400698 489177 568542 578786 652236 801396 823657 852813 868179 978354 1137084 1157572 1647314 1705626 1736358 1956708 2470971 2604537 3294628 3411252 3472716 4941942 5209074 7412913 9883884 10418148 10707541 14825826 21415082 29651652 32122623 42830164 64245246 96367869 128490492 192735738 385471476