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115143402 = 23111744597
BaseRepresentation
bin1101101110011…
…11001011101010
322000122220001110
412313033023222
5213434042102
615231531150
72565463023
oct667171352
9260586043
10115143402
1159aa4a40
1232689ab6
131ab164ba
1411413c4a
15a19686c
hex6dcf2ea

115143402 has 16 divisors (see below), whose sum is σ = 251222112. Its totient is φ = 34891920.

The previous prime is 115143377. The next prime is 115143419. The reversal of 115143402 is 204341511.

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, 872233 + ... + 872364.

It is an arithmetic number, because the mean of its divisors is an integer number (15701382).

Almost surely, 2115143402 is an apocalyptic number.

115143402 is an abundant number, since it is smaller than the sum of its proper divisors (136078710).

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

115143402 is a wasteful number, since it uses less digits than its factorization.

115143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744613.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 115143402 is about 10730.4893644232. The cubic root of 115143402 is about 486.4964612988.

Adding to 115143402 its reverse (204341511), we get a palindrome (319484913).

The spelling of 115143402 in words is "one hundred fifteen million, one hundred forty-three thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 1744597 3489194 5233791 10467582 19190567 38381134 57571701 115143402