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70971042 = 23196171009
BaseRepresentation
bin1000011101011…
…10111010100010
311221112200222010
410032232322202
5121132033132
611013053350
71521146442
oct416567242
9157480863
1070971042
113707465a
121b927256
131191b7cc
1495d6122
15636d6cc
hex43aeea2

70971042 has 32 divisors (see below), whose sum is σ = 149803200. Its totient is φ = 22353408.

The previous prime is 70971013. The next prime is 70971053. The reversal of 70971042 is 24017907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69834 + ... + 70842.

It is an arithmetic number, because the mean of its divisors is an integer number (4681350).

Almost surely, 270971042 is an apocalyptic number.

70971042 is an abundant number, since it is smaller than the sum of its proper divisors (78832158).

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

70971042 is a wasteful number, since it uses less digits than its factorization.

70971042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 70971042 is about 8424.4312567674. The cubic root of 70971042 is about 414.0254716060.

Adding to 70971042 its reverse (24017907), we get a palindrome (94988949).

The spelling of 70971042 in words is "seventy million, nine hundred seventy-one thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 114 617 1009 1234 1851 2018 3027 3702 6054 11723 19171 23446 35169 38342 57513 70338 115026 622553 1245106 1867659 3735318 11828507 23657014 35485521 70971042