Search a number
-
+
156713538 = 23151172973
BaseRepresentation
bin10010101011101…
…00001001000010
3101220212212120010
421111310021002
5310104313123
623314525350
73612020532
oct1125641102
9356785503
10156713538
1180508223
1244596856
132660c907
1416b554c2
15db58993
hex9574242

156713538 has 16 divisors (see below), whose sum is σ = 315504576. Its totient is φ = 51891600.

The previous prime is 156713533. The next prime is 156713549. The reversal of 156713538 is 835317651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 156713496 and 156713505.

It is not an unprimeable number, because it can be changed into a prime (156713533) 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, 85581 + ... + 87392.

It is an arithmetic number, because the mean of its divisors is an integer number (19719036).

Almost surely, 2156713538 is an apocalyptic number.

156713538 is an abundant number, since it is smaller than the sum of its proper divisors (158791038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156713538 is a wasteful number, since it uses less digits than its factorization.

156713538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173129.

The product of its digits is 75600, while the sum is 39.

The square root of 156713538 is about 12518.5277888416. The cubic root of 156713538 is about 539.1407665952.

The spelling of 156713538 in words is "one hundred fifty-six million, seven hundred thirteen thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 151 302 453 906 172973 345946 518919 1037838 26118923 52237846 78356769 156713538