Search a number
-
+
157245174 = 23247185869
BaseRepresentation
bin10010101111101…
…01111011110110
3101221212212211100
421113311323312
5310223321144
623334150530
73616363512
oct1127657366
9357785740
10157245174
1180840699
12447b2446
13267678a8
1416c53142
15dc11269
hex95f5ef6

157245174 has 24 divisors (see below), whose sum is σ = 347948640. Its totient is φ = 51299568.

The previous prime is 157245173. The next prime is 157245229. The reversal of 157245174 is 471542751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157245173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92089 + ... + 93780.

It is an arithmetic number, because the mean of its divisors is an integer number (14497860).

Almost surely, 2157245174 is an apocalyptic number.

157245174 is an abundant number, since it is smaller than the sum of its proper divisors (190703466).

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

157245174 is a wasteful number, since it uses less digits than its factorization.

157245174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185924 (or 185921 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 157245174 is about 12539.7437772867. The cubic root of 157245174 is about 539.7497400034.

The spelling of 157245174 in words is "one hundred fifty-seven million, two hundred forty-five thousand, one hundred seventy-four".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 185869 371738 557607 1115214 1672821 3345642 8735843 17471686 26207529 52415058 78622587 157245174