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158072373 = 32101173897
BaseRepresentation
bin10010110101111…
…11111000110101
3102000102220112100
421122333320311
5310431303443
623404012313
73626410254
oct1132777065
9360386470
10158072373
1181256128
1244b31099
1326997264
1416dca79b
15dd263d3
hex96bfe35

158072373 has 12 divisors (see below), whose sum is σ = 230588748. Its totient is φ = 104337600.

The previous prime is 158072371. The next prime is 158072389. The reversal of 158072373 is 373270851.

158072373 is a `hidden beast` number, since 1 + 580 + 7 + 2 + 3 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153586449 + 4485924 = 12393^2 + 2118^2 .

It is not a de Polignac number, because 158072373 - 21 = 158072371 is a prime.

It is a super-2 number, since 2×1580723732 = 49973750211702258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158072371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86040 + ... + 87857.

It is an arithmetic number, because the mean of its divisors is an integer number (19215729).

Almost surely, 2158072373 is an apocalyptic number.

It is an amenable number.

158072373 is a deficient number, since it is larger than the sum of its proper divisors (72516375).

158072373 is a wasteful number, since it uses less digits than its factorization.

158072373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174004 (or 174001 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 158072373 is about 12572.6836037498. The cubic root of 158072373 is about 540.6945486745.

The spelling of 158072373 in words is "one hundred fifty-eight million, seventy-two thousand, three hundred seventy-three".

Divisors: 1 3 9 101 303 909 173897 521691 1565073 17563597 52690791 158072373