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70321074 = 2323509573
BaseRepresentation
bin1000011000100…
…00001110110010
311220022200101020
410030100032302
5121000233244
610551120310
71512501465
oct414201662
9156280336
1070321074
113677029a
121b673096
1311751a05
1494a72dc
156290d19
hex43103b2

70321074 has 16 divisors (see below), whose sum is σ = 146757312. Its totient is φ = 22421168.

The previous prime is 70321067. The next prime is 70321079. The reversal of 70321074 is 47012307.

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

It is not an unprimeable number, because it can be changed into a prime (70321079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254649 + ... + 254924.

It is an arithmetic number, because the mean of its divisors is an integer number (9172332).

Almost surely, 270321074 is an apocalyptic number.

70321074 is an abundant number, since it is smaller than the sum of its proper divisors (76436238).

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

70321074 is a wasteful number, since it uses less digits than its factorization.

70321074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509601.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 70321074 is about 8385.7661546218. The cubic root of 70321074 is about 412.7576821554.

The spelling of 70321074 in words is "seventy million, three hundred twenty-one thousand, seventy-four".

Divisors: 1 2 3 6 23 46 69 138 509573 1019146 1528719 3057438 11720179 23440358 35160537 70321074