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385671048 = 23377929059
BaseRepresentation
bin10110111111001…
…101111110001000
3222212201010012220
4112333031332020
51242212433143
6102134134040
712362102250
oct2677157610
9885633186
10385671048
11188779404
12a91b1320
1361b95529
1439314960
1523cd2d83
hex16fcdf88

385671048 has 64 divisors (see below), whose sum is σ = 1115904000. Its totient is φ = 108793152.

The previous prime is 385671047. The next prime is 385671053. The reversal of 385671048 is 840176583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (385671047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258 + ... + 27801.

It is an arithmetic number, because the mean of its divisors is an integer number (17436000).

Almost surely, 2385671048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385671048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557952000).

385671048 is an abundant number, since it is smaller than the sum of its proper divisors (730232952).

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

385671048 is a wasteful number, since it uses less digits than its factorization.

385671048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29154 (or 29150 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 385671048 is about 19638.5093120634. The cubic root of 385671048 is about 727.9010502313.

The spelling of 385671048 in words is "three hundred eighty-five million, six hundred seventy-one thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 79 84 158 168 237 316 474 553 632 948 1106 1659 1896 2212 3318 4424 6636 13272 29059 58118 87177 116236 174354 203413 232472 348708 406826 610239 697416 813652 1220478 1627304 2295661 2440956 4591322 4881912 6886983 9182644 13773966 16069627 18365288 27547932 32139254 48208881 55095864 64278508 96417762 128557016 192835524 385671048