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137602336 = 2561157449
BaseRepresentation
bin10000011001110…
…10010100100000
3100120220220220211
420030322110200
5240211233321
621353143504
73260412664
oct1014722440
9316826824
10137602336
1170744743
123a0bab94
132267ac01
14143bc8a4
15c1310e1
hex833a520

137602336 has 48 divisors (see below), whose sum is σ = 277716600. Its totient is φ = 67092480.

The previous prime is 137602291. The next prime is 137602379. The reversal of 137602336 is 633206731.

It can be written as a sum of positive squares in 4 ways, for example, as 74304400 + 63297936 = 8620^2 + 7956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137602298 and 137602307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306240 + ... + 306688.

Almost surely, 2137602336 is an apocalyptic number.

137602336 is a gapful number since it is divisible by the number (16) 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 137602336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138858300).

137602336 is an abundant number, since it is smaller than the sum of its proper divisors (140114264).

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

137602336 is a wasteful number, since it uses less digits than its factorization.

137602336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 137602336 is about 11730.4022096431. The cubic root of 137602336 is about 516.2680737536.

The spelling of 137602336 in words is "one hundred thirty-seven million, six hundred two thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 32 61 122 157 244 314 449 488 628 898 976 1256 1796 1952 2512 3592 5024 7184 9577 14368 19154 27389 38308 54778 70493 76616 109556 140986 153232 219112 281972 306464 438224 563944 876448 1127888 2255776 4300073 8600146 17200292 34400584 68801168 137602336