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152155572 = 223195911311
BaseRepresentation
bin10010001000110…
…11010110110100
3101121022022012120
421010123112310
5302422434242
623033115540
73525205152
oct1104332664
9347268176
10152155572
1178984808
1242b58bb0
13256a50aa
14162ca3d2
15d5581ec
hex911b5b4

152155572 has 48 divisors (see below), whose sum is σ = 380083200. Its totient is φ = 47230560.

The previous prime is 152155571. The next prime is 152155573. The reversal of 152155572 is 275551251.

It is an interprime number because it is at equal distance from previous prime (152155571) and next prime (152155573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152155571) by changing a digit.

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, 7797 + ... + 19107.

It is an arithmetic number, because the mean of its divisors is an integer number (7918400).

Almost surely, 2152155572 is an apocalyptic number.

152155572 is a gapful number since it is divisible by the number (12) 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 152155572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190041600).

152155572 is an abundant number, since it is smaller than the sum of its proper divisors (227927628).

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

152155572 is a wasteful number, since it uses less digits than its factorization.

152155572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396 (or 11394 counting only the distinct ones).

The product of its digits is 17500, while the sum is 33.

The square root of 152155572 is about 12335.1356701092. The cubic root of 152155572 is about 533.8623416013.

The spelling of 152155572 in words is "one hundred fifty-two million, one hundred fifty-five thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 59 76 114 118 177 228 236 354 708 1121 2242 3363 4484 6726 11311 13452 22622 33933 45244 67866 135732 214909 429818 644727 667349 859636 1289454 1334698 2002047 2578908 2669396 4004094 8008188 12679631 25359262 38038893 50718524 76077786 152155572