Search a number
-
+
157822132 = 221319159739
BaseRepresentation
bin10010110100000…
…10110010110100
3101222222012021011
421122002302310
5310400302012
623354402004
73624315556
oct1132026264
9358865234
10157822132
11810a5116
1244a30304
132690a3a0
1416d634d6
15dcc71a7
hex9682cb4

157822132 has 24 divisors (see below), whose sum is σ = 313090400. Its totient is φ = 69006816.

The previous prime is 157822127. The next prime is 157822139. The reversal of 157822132 is 231228751.

It is a junction number, because it is equal to n+sod(n) for n = 157822094 and 157822103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157822139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78882 + ... + 80857.

Almost surely, 2157822132 is an apocalyptic number.

It is an amenable number.

157822132 is a deficient number, since it is larger than the sum of its proper divisors (155268268).

157822132 is a wasteful number, since it uses less digits than its factorization.

157822132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159775 (or 159773 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 157822132 is about 12562.7278884803. The cubic root of 157822132 is about 540.4090773135.

The spelling of 157822132 in words is "one hundred fifty-seven million, eight hundred twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 159739 319478 638956 2076607 3035041 4153214 6070082 8306428 12140164 39455533 78911066 157822132