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102970042 = 2717774139
BaseRepresentation
bin1100010001100…
…11001010111010
321011202102100021
412020303022322
5202330020132
614115001054
72360142130
oct610631272
9234672307
10102970042
115313aa0a
122a59918a
1318443626
14d965750
15908e997
hex62332ba

102970042 has 16 divisors (see below), whose sum is σ = 176662080. Its totient is φ = 44094528.

The previous prime is 102969991. The next prime is 102970067. The reversal of 102970042 is 240079201.

It is a junction number, because it is equal to n+sod(n) for n = 102969989 and 102970016.

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 7 ways as a sum of consecutive naturals, for example, 22809 + ... + 26947.

It is an arithmetic number, because the mean of its divisors is an integer number (11041380).

Almost surely, 2102970042 is an apocalyptic number.

102970042 is a deficient number, since it is larger than the sum of its proper divisors (73692038).

102970042 is a wasteful number, since it uses less digits than its factorization.

102970042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 102970042 is about 10147.4155330311. The cubic root of 102970042 is about 468.7093638966.

The spelling of 102970042 in words is "one hundred two million, nine hundred seventy thousand, forty-two".

Divisors: 1 2 7 14 1777 3554 4139 8278 12439 24878 28973 57946 7355003 14710006 51485021 102970042