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151115056 = 24192961281
BaseRepresentation
bin10010000000111…
…01010100110000
3101112100102212221
421000131110300
5302141140211
622554530424
73513312451
oct1100352460
9345312787
10151115056
1178333a84
1242736a14
13253cc5c1
14160d9128
15d3eec71
hex901d530

151115056 has 80 divisors (see below), whose sum is σ = 325202400. Its totient is φ = 67737600.

The previous prime is 151115033. The next prime is 151115059. The reversal of 151115056 is 650511151.

It is a self number, because there is not a number n which added to its sum of digits gives 151115056.

It is not an unprimeable number, because it can be changed into a prime (151115059) 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, 537636 + ... + 537916.

It is an arithmetic number, because the mean of its divisors is an integer number (4065030).

Almost surely, 2151115056 is an apocalyptic number.

151115056 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 151115056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162601200).

151115056 is an abundant number, since it is smaller than the sum of its proper divisors (174087344).

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

151115056 is a wasteful number, since it uses less digits than its factorization.

151115056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 151115056 is about 12292.8863982386. The cubic root of 151115056 is about 532.6426176514.

The spelling of 151115056 in words is "one hundred fifty-one million, one hundred fifteen thousand, fifty-six".

Divisors: 1 2 4 8 16 19 29 38 58 61 76 116 122 152 232 244 281 304 464 488 551 562 976 1102 1124 1159 1769 2204 2248 2318 3538 4408 4496 4636 5339 7076 8149 8816 9272 10678 14152 16298 17141 18544 21356 28304 32596 33611 34282 42712 65192 67222 68564 85424 130384 134444 137128 154831 268888 274256 309662 325679 497089 537776 619324 651358 994178 1238648 1302716 1988356 2477296 2605432 3976712 5210864 7953424 9444691 18889382 37778764 75557528 151115056