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158047357 = 1389136601
BaseRepresentation
bin10010110101110…
…01110001111101
3102000101122012211
421122321301331
5310430003412
623403300421
73626244316
oct1132716175
9360348184
10158047357
1181239356
1244b1a711
1326988a60
1416dc160d
15dd1dca7
hex96b9c7d

158047357 has 8 divisors (see below), whose sum is σ = 172118520. Its totient is φ = 144249600.

The previous prime is 158047289. The next prime is 158047363. The reversal of 158047357 is 753740851.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 157226521 = 906^2 + 12539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158047357 - 215 = 158014589 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 (158047367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67144 + ... + 69457.

It is an arithmetic number, because the mean of its divisors is an integer number (21514815).

Almost surely, 2158047357 is an apocalyptic number.

It is an amenable number.

158047357 is a deficient number, since it is larger than the sum of its proper divisors (14071163).

158047357 is a wasteful number, since it uses less digits than its factorization.

158047357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136703.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 158047357 is about 12571.6887091592. The cubic root of 158047357 is about 540.6660243385. Note that the first 3 decimals are identical.

It can be divided in two parts, 158047 and 357, that added together give a square (158404 = 3982).

The spelling of 158047357 in words is "one hundred fifty-eight million, forty-seven thousand, three hundred fifty-seven".

Divisors: 1 13 89 1157 136601 1775813 12157489 158047357