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115157146 = 2135637867
BaseRepresentation
bin1101101110100…
…10100010011010
322000200120220111
412313102202122
5213440012041
615232114534
72565551056
oct667224232
9260616814
10115157146
115a0042a5
1232695a4a
131ab1c830
1411418c66
15a19a981
hex6dd289a

115157146 has 16 divisors (see below), whose sum is σ = 186377184. Its totient is φ = 53048304.

The previous prime is 115157143. The next prime is 115157153. The reversal of 115157146 is 641751511.

It is a super-2 number, since 2×1151571462 = 26522336549730632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115157143) 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, 10705 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (11648574).

Almost surely, 2115157146 is an apocalyptic number.

115157146 is a deficient number, since it is larger than the sum of its proper divisors (71220038).

115157146 is a wasteful number, since it uses less digits than its factorization.

115157146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its digits is 4200, while the sum is 31.

The square root of 115157146 is about 10731.1297634499. The cubic root of 115157146 is about 486.5158172822.

The spelling of 115157146 in words is "one hundred fifteen million, one hundred fifty-seven thousand, one hundred forty-six".

Divisors: 1 2 13 26 563 1126 7319 7867 14638 15734 102271 204542 4429121 8858242 57578573 115157146