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115390122 = 2331620377
BaseRepresentation
bin1101110000010…
…11011010101010
322001010102111020
412320023122222
5214014440442
615241113310
72600541231
oct670133252
9261112436
10115390122
115a153341
1232788836
131aba18a3
1411479b18
15a1e49ec
hex6e0b6aa

115390122 has 16 divisors (see below), whose sum is σ = 238225152. Its totient is φ = 37222560.

The previous prime is 115390111. The next prime is 115390141. The reversal of 115390122 is 221093511.

It is a junction number, because it is equal to n+sod(n) for n = 115390092 and 115390101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310003 + ... + 310374.

It is an arithmetic number, because the mean of its divisors is an integer number (14889072).

Almost surely, 2115390122 is an apocalyptic number.

115390122 is an abundant number, since it is smaller than the sum of its proper divisors (122835030).

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

115390122 is a wasteful number, since it uses less digits than its factorization.

115390122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620413.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 115390122 is about 10741.9794265303. The cubic root of 115390122 is about 486.8436885467.

The spelling of 115390122 in words is "one hundred fifteen million, three hundred ninety thousand, one hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 620377 1240754 1861131 3722262 19231687 38463374 57695061 115390122