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319692464 = 2473134481
BaseRepresentation
bin10011000011100…
…001111010110000
3211021120001121122
4103003201322300
51123320124324
651420041412
710631225000
oct2303417260
9737501548
10319692464
11154504753
128b093268
1351304250
143065c000
151d0eda5e
hex130e1eb0

319692464 has 80 divisors (see below), whose sum is σ = 778075200. Its totient is φ = 126443520.

The previous prime is 319692437. The next prime is 319692523. The reversal of 319692464 is 464296913.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69104 + ... + 73584.

It is an arithmetic number, because the mean of its divisors is an integer number (9725940).

Almost surely, 2319692464 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 319692464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389037600).

319692464 is an abundant number, since it is smaller than the sum of its proper divisors (458382736).

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

319692464 is a wasteful number, since it uses less digits than its factorization.

319692464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4503 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 319692464 is about 17879.9458612156. The cubic root of 319692464 is about 683.7711921215.

The spelling of 319692464 in words is "three hundred nineteen million, six hundred ninety-two thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 208 343 364 392 637 686 728 784 1274 1372 1456 2548 2744 4459 4481 5096 5488 8918 8962 10192 17836 17924 31367 35672 35848 58253 62734 71344 71696 116506 125468 219569 233012 250936 407771 439138 466024 501872 815542 878276 932048 1536983 1631084 1756552 2854397 3073966 3262168 3513104 5708794 6147932 6524336 11417588 12295864 19980779 22835176 24591728 39961558 45670352 79923116 159846232 319692464