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157613245 = 5311101359
BaseRepresentation
bin10010110010011…
…11110010111101
3101222120120201121
421121033302331
5310322110440
623350110541
73622455556
oct1131176275
9358516647
10157613245
1180a72189
124494b451
132686629a
1416d0b32d
15dc8534a
hex964fcbd

157613245 has 8 divisors (see below), whose sum is σ = 189745920. Its totient is φ = 125683920.

The previous prime is 157613233. The next prime is 157613251. The reversal of 157613245 is 542316751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157613245 - 211 = 157611197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157613245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49125 + ... + 52234.

It is an arithmetic number, because the mean of its divisors is an integer number (23718240).

Almost surely, 2157613245 is an apocalyptic number.

It is an amenable number.

157613245 is a deficient number, since it is larger than the sum of its proper divisors (32132675).

157613245 is a wasteful number, since it uses less digits than its factorization.

157613245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101675.

The product of its digits is 25200, while the sum is 34.

The square root of 157613245 is about 12554.4113760861. The cubic root of 157613245 is about 540.1705508381.

Adding to 157613245 its reverse (542316751), we get a palindrome (699929996).

The spelling of 157613245 in words is "one hundred fifty-seven million, six hundred thirteen thousand, two hundred forty-five".

Divisors: 1 5 311 1555 101359 506795 31522649 157613245