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158056933 = 374271809
BaseRepresentation
bin10010110101111…
…00000111100101
3102000102010100111
421122330013211
5310430310213
623403413021
73626314246
oct1132740745
9360363314
10158056933
1181245571
1244b24171
1326990218
1416dc4ccd
15dd21a3d
hex96bc1e5

158056933 has 4 divisors (see below), whose sum is σ = 162328780. Its totient is φ = 153785088.

The previous prime is 158056919. The next prime is 158056963. The reversal of 158056933 is 339650851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339650851 = 437898857.

It can be written as a sum of positive squares in 2 ways, for example, as 77739489 + 80317444 = 8817^2 + 8962^2 .

It is a cyclic number.

It is not a de Polignac number, because 158056933 - 25 = 158056901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158056963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135868 + ... + 2135941.

It is an arithmetic number, because the mean of its divisors is an integer number (40582195).

Almost surely, 2158056933 is an apocalyptic number.

It is an amenable number.

158056933 is a deficient number, since it is larger than the sum of its proper divisors (4271847).

158056933 is an equidigital number, since it uses as much as digits as its factorization.

158056933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271846.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 158056933 is about 12572.0695591458. The cubic root of 158056933 is about 540.6769436675.

The spelling of 158056933 in words is "one hundred fifty-eight million, fifty-six thousand, nine hundred thirty-three".

Divisors: 1 37 4271809 158056933