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70642106 = 2172077709
BaseRepresentation
bin1000011010111…
…10100110111010
311220220222202022
410031132212322
5121041021411
611002034442
71515306443
oct415364672
9156828668
1070642106
113696a507
121b7a8a22
1311834b82
14954c2ca
156305edb
hex435e9ba

70642106 has 8 divisors (see below), whose sum is σ = 112196340. Its totient is φ = 33243328.

The previous prime is 70642079. The next prime is 70642111. The reversal of 70642106 is 60124607.

It can be written as a sum of positive squares in 2 ways, for example, as 63856081 + 6786025 = 7991^2 + 2605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038821 + ... + 1038888.

Almost surely, 270642106 is an apocalyptic number.

70642106 is a deficient number, since it is larger than the sum of its proper divisors (41554234).

70642106 is a wasteful number, since it uses less digits than its factorization.

70642106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077728.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70642106 is about 8404.8858409856. The cubic root of 70642106 is about 413.3848402399.

The spelling of 70642106 in words is "seventy million, six hundred forty-two thousand, one hundred six".

Divisors: 1 2 17 34 2077709 4155418 35321053 70642106