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152250917 = 7132414373
BaseRepresentation
bin10010001001100…
…10101000100101
3101121111010222212
421010302220211
5302434012132
623035133205
73526053140
oct1104625045
9347433885
10152250917
1178a3a405
1242ba4205
1325709600
1416313057
15d5765b2
hex9132a25

152250917 has 48 divisors (see below), whose sum is σ = 200204928. Its totient is φ = 113218560.

The previous prime is 152250913. The next prime is 152250947. The reversal of 152250917 is 719052251.

It is a happy number.

It is not a de Polignac number, because 152250917 - 22 = 152250913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152250913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2085593 + ... + 2085665.

It is an arithmetic number, because the mean of its divisors is an integer number (4170936).

Almost surely, 2152250917 is an apocalyptic number.

It is an amenable number.

152250917 is a deficient number, since it is larger than the sum of its proper divisors (47954011).

152250917 is a wasteful number, since it uses less digits than its factorization.

152250917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 152250917 is about 12338.9998379123. Note that the first 3 decimals coincide. The cubic root of 152250917 is about 533.9738294160.

The spelling of 152250917 in words is "one hundred fifty-two million, two hundred fifty thousand, nine hundred seventeen".

Divisors: 1 7 13 41 43 73 91 169 287 301 511 533 559 949 1183 1763 2993 3139 3731 3913 6643 6929 7267 12337 12341 20951 21973 22919 38909 40807 48503 50869 86359 128699 160433 272363 285649 297947 505817 530491 900893 1673087 2085629 3540719 3713437 11711609 21750131 152250917