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70842402 = 23216723567
BaseRepresentation
bin1000011100011…
…11100000100010
311221022011111200
410032033200202
5121113424102
611010222030
71520102421
oct416174042
9157264450
1070842402
1136a96a44
121b884916
13118a50a7
1495a12b8
15634551c
hex438f822

70842402 has 24 divisors (see below), whose sum is σ = 154417536. Its totient is φ = 23471736.

The previous prime is 70842391. The next prime is 70842407. The reversal of 70842402 is 20424807.

It is a super-2 number, since 2×708424022 = 10037291842259208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70842407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8778 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (6434064).

Almost surely, 270842402 is an apocalyptic number.

70842402 is an abundant number, since it is smaller than the sum of its proper divisors (83575134).

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

70842402 is a wasteful number, since it uses less digits than its factorization.

70842402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23742 (or 23739 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70842402 is about 8416.7928571398. The cubic root of 70842402 is about 413.7751702300.

The spelling of 70842402 in words is "seventy million, eight hundred forty-two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 167 334 501 1002 1503 3006 23567 47134 70701 141402 212103 424206 3935689 7871378 11807067 23614134 35421201 70842402