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70123676 = 2272504417
BaseRepresentation
bin1000010111000…
…00000010011100
311212221122121012
410023200002130
5120422424201
610542554352
71511020130
oct413400234
9155848535
1070123676
1136645a57
121b5989b8
13116b2bcc
1494553c0
1562525bb
hex42e009c

70123676 has 12 divisors (see below), whose sum is σ = 140247408. Its totient is φ = 30052992.

The previous prime is 70123673. The next prime is 70123681. The reversal of 70123676 is 67632107.

70123676 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70123673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252181 + ... + 1252236.

It is an arithmetic number, because the mean of its divisors is an integer number (11687284).

Almost surely, 270123676 is an apocalyptic number.

It is an amenable number.

70123676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70123676 is a wasteful number, since it uses less digits than its factorization.

70123676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504428 (or 2504426 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 70123676 is about 8373.9880582671. The cubic root of 70123676 is about 412.3711034062.

The spelling of 70123676 in words is "seventy million, one hundred twenty-three thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 2504417 5008834 10017668 17530919 35061838 70123676