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158396425 = 5211575987
BaseRepresentation
bin10010111000011…
…11000000001001
3102001001101001021
421130033000021
5311022141200
623414552441
73632230105
oct1134170011
9361041037
10158396425
1181457640
1245068721
1326a7b8c5
1417072905
15dd8c41a
hex970f009

158396425 has 12 divisors (see below), whose sum is σ = 214267536. Its totient is φ = 115197200.

The previous prime is 158396411. The next prime is 158396461. The reversal of 158396425 is 524693851.

It is not a de Polignac number, because 158396425 - 25 = 158396393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 287719 + ... + 288268.

It is an arithmetic number, because the mean of its divisors is an integer number (17855628).

Almost surely, 2158396425 is an apocalyptic number.

It is an amenable number.

158396425 is a deficient number, since it is larger than the sum of its proper divisors (55871111).

158396425 is a wasteful number, since it uses less digits than its factorization.

158396425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576008 (or 576003 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 158396425 is about 12585.5641510423. The cubic root of 158396425 is about 541.0637752349.

The spelling of 158396425 in words is "one hundred fifty-eight million, three hundred ninety-six thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 575987 2879935 6335857 14399675 31679285 158396425