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151392 = 2531983
BaseRepresentation
bin100100111101100000
321200200010
4210331200
514321032
63124520
71200243
oct447540
9250603
10151392
11a381a
1273740
1353ba7
143d25a
152eccc
hex24f60

151392 has 48 divisors (see below), whose sum is σ = 423360. Its totient is φ = 47232.

The previous prime is 151391. The next prime is 151397. The reversal of 151392 is 293151.

It is a tau number, because it is divible by the number of its divisors (48).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151392.

It is not an unprimeable number, because it can be changed into a prime (151391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2151392 is an apocalyptic number.

151392 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 151392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211680).

151392 is an abundant number, since it is smaller than the sum of its proper divisors (271968).

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

151392 is a wasteful number, since it uses less digits than its factorization.

151392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 107 counting only the distinct ones).

The product of its digits is 270, while the sum is 21.

The square root of 151392 is about 389.0912489378. The cubic root of 151392 is about 53.2967805092.

The spelling of 151392 in words is "one hundred fifty-one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 83 96 114 152 166 228 249 304 332 456 498 608 664 912 996 1328 1577 1824 1992 2656 3154 3984 4731 6308 7968 9462 12616 18924 25232 37848 50464 75696 151392