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152071438 = 2598315527
BaseRepresentation
bin10010001000001…
…10110100001110
3101121011000210111
421010012310032
5302412241223
623031230234
73524404651
oct1104066416
9347130714
10152071438
1178927582
1242b1837a
13256759cc
14162a7898
15d53d30d
hex9106d0e

152071438 has 16 divisors (see below), whose sum is σ = 234783360. Its totient is φ = 73841656.

The previous prime is 152071433. The next prime is 152071457. The reversal of 152071438 is 834170251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152071433) 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 7 ways as a sum of consecutive naturals, for example, 2031 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (14673960).

Almost surely, 2152071438 is an apocalyptic number.

152071438 is a deficient number, since it is larger than the sum of its proper divisors (82711922).

152071438 is a wasteful number, since it uses less digits than its factorization.

152071438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 152071438 is about 12331.7248590779. The cubic root of 152071438 is about 533.7639242273.

The spelling of 152071438 in words is "one hundred fifty-two million, seventy-one thousand, four hundred thirty-eight".

Divisors: 1 2 59 83 118 166 4897 9794 15527 31054 916093 1288741 1832186 2577482 76035719 152071438