Search a number
-
+
157241451 = 3295873079
BaseRepresentation
bin10010101111101…
…01000001101011
3101221212200201110
421113311001223
5310223211301
623334121403
73616346613
oct1127650153
9357780643
10157241451
1180838914
12447b0263
1326765ca3
1416c51a43
15dc100d6
hex95f506b

157241451 has 16 divisors (see below), whose sum is σ = 217324800. Its totient is φ = 101007648.

The previous prime is 157241423. The next prime is 157241471. The reversal of 157241451 is 154142751.

It is not a de Polignac number, because 157241451 - 25 = 157241419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157241401) 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, 49530 + ... + 52608.

It is an arithmetic number, because the mean of its divisors is an integer number (13582800).

Almost surely, 2157241451 is an apocalyptic number.

157241451 is a deficient number, since it is larger than the sum of its proper divisors (60083349).

157241451 is a wasteful number, since it uses less digits than its factorization.

157241451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its digits is 5600, while the sum is 30.

The square root of 157241451 is about 12539.5953283988. The cubic root of 157241451 is about 539.7454801924.

The spelling of 157241451 in words is "one hundred fifty-seven million, two hundred forty-one thousand, four hundred fifty-one".

Divisors: 1 3 29 87 587 1761 3079 9237 17023 51069 89291 267873 1807373 5422119 52413817 157241451