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103161402 = 23237154897
BaseRepresentation
bin1100010011000…
…01111000111010
321012010010211200
412021201320322
5202402131102
614123035030
72361600051
oct611417072
9235103750
10103161402
1153260763
122a66ba76
13184ac766
14d9b5398
1590cb51c
hex6261e3a

103161402 has 24 divisors (see below), whose sum is σ = 229558836. Its totient is φ = 33457536.

The previous prime is 103161391. The next prime is 103161427. The reversal of 103161402 is 204161301.

It is a happy number.

103161402 is a `hidden beast` number, since 103 + 161 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103002201 + 159201 = 10149^2 + 399^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76783 + ... + 78114.

Almost surely, 2103161402 is an apocalyptic number.

103161402 is an abundant number, since it is smaller than the sum of its proper divisors (126397434).

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

103161402 is a wasteful number, since it uses less digits than its factorization.

103161402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154942 (or 154939 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103161402 is about 10156.8401582382. The cubic root of 103161402 is about 468.9995347656. Note that the first 3 decimals are identical.

The spelling of 103161402 in words is "one hundred three million, one hundred sixty-one thousand, four hundred two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 154897 309794 464691 929382 1394073 2788146 5731189 11462378 17193567 34387134 51580701 103161402