Search a number
-
+
156493912 = 23145313463
BaseRepresentation
bin10010101001111…
…10100001011000
3101220110201021211
421110332201120
5310030301122
623310112504
73610114321
oct1124764130
9356421254
10156493912
1180378213
12444ab734
1326563963
1416ad9448
15db13877
hex953e858

156493912 has 16 divisors (see below), whose sum is σ = 293649840. Its totient is φ = 78187296.

The previous prime is 156493873. The next prime is 156493933. The reversal of 156493912 is 219394651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4893 + ... + 18355.

It is an arithmetic number, because the mean of its divisors is an integer number (18353115).

Almost surely, 2156493912 is an apocalyptic number.

It is an amenable number.

156493912 is a deficient number, since it is larger than the sum of its proper divisors (137155928).

156493912 is a wasteful number, since it uses less digits than its factorization.

156493912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922 (or 14918 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 156493912 is about 12509.7526754129. The cubic root of 156493912 is about 538.8887894537. Note that the first 3 decimals are identical.

The spelling of 156493912 in words is "one hundred fifty-six million, four hundred ninety-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 1453 2906 5812 11624 13463 26926 53852 107704 19561739 39123478 78246956 156493912