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70345636 = 2261928411
BaseRepresentation
bin1000011000101…
…10001110100100
311220100221001221
410030112032210
5121002030021
610551430124
71512633214
oct414261644
9156327057
1070345636
1136787799
121b685344
131175cc4a
1494b2244
156298241
hex43163a4

70345636 has 12 divisors (see below), whose sum is σ = 123308080. Its totient is φ = 35114760.

The previous prime is 70345633. The next prime is 70345637. The reversal of 70345636 is 63654307.

It is a hoax number, since the sum of its digits (34) 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 not an unprimeable number, because it can be changed into a prime (70345633) 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 3 ways as a sum of consecutive naturals, for example, 11730 + ... + 16681.

Almost surely, 270345636 is an apocalyptic number.

It is an amenable number.

70345636 is a deficient number, since it is larger than the sum of its proper divisors (52962444).

70345636 is a wasteful number, since it uses less digits than its factorization.

70345636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29034 (or 29032 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 70345636 is about 8387.2305321840. The cubic root of 70345636 is about 412.8057330619.

The spelling of 70345636 in words is "seventy million, three hundred forty-five thousand, six hundred thirty-six".

Divisors: 1 2 4 619 1238 2476 28411 56822 113644 17586409 35172818 70345636