Search a number
-
+
157246349 = 1347614219
BaseRepresentation
bin10010101111101…
…10001110001101
3101221212221102212
421113312032031
5310223340344
623334200205
73616400111
oct1127661615
9357787385
10157246349
1180841567
12447b3065
13267682a0
1416c53741
15dc1179e
hex95f638d

157246349 has 16 divisors (see below), whose sum is σ = 175822080. Its totient is φ = 139700160.

The previous prime is 157246339. The next prime is 157246363. The reversal of 157246349 is 943642751.

It is a cyclic number.

It is not a de Polignac number, because 157246349 - 28 = 157246093 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 (157246319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35162 + ... + 39380.

It is an arithmetic number, because the mean of its divisors is an integer number (10988880).

Almost surely, 2157246349 is an apocalyptic number.

It is an amenable number.

157246349 is a deficient number, since it is larger than the sum of its proper divisors (18575731).

157246349 is a wasteful number, since it uses less digits than its factorization.

157246349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its digits is 181440, while the sum is 41.

The square root of 157246349 is about 12539.7906282362. The cubic root of 157246349 is about 539.7510844100.

The spelling of 157246349 in words is "one hundred fifty-seven million, two hundred forty-six thousand, three hundred forty-nine".

Divisors: 1 13 47 61 611 793 2867 4219 37271 54847 198293 257359 2577809 3345667 12095873 157246349