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115451142 = 2348739511
BaseRepresentation
bin1101110000110…
…10010100000110
322001020112012020
412320122110012
5214023414032
615242304010
72601214152
oct670322406
9261215166
10115451142
115a195174
12327b8006
131abc35b1
1411494062
15a207b2c
hex6e1a506

115451142 has 16 divisors (see below), whose sum is σ = 231382272. Its totient is φ = 38403720.

The previous prime is 115451111. The next prime is 115451143. The reversal of 115451142 is 241154511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115451143) 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, 16834 + ... + 22677.

It is an arithmetic number, because the mean of its divisors is an integer number (14461392).

Almost surely, 2115451142 is an apocalyptic number.

115451142 is an abundant number, since it is smaller than the sum of its proper divisors (115931130).

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

115451142 is a wasteful number, since it uses less digits than its factorization.

115451142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003.

The product of its digits is 800, while the sum is 24.

The square root of 115451142 is about 10744.8193097883. The cubic root of 115451142 is about 486.9294901340.

The spelling of 115451142 in words is "one hundred fifteen million, four hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 487 974 1461 2922 39511 79022 118533 237066 19241857 38483714 57725571 115451142