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70345713 = 323448571
BaseRepresentation
bin1000011000101…
…10001111110001
311220100221011210
410030112033301
5121002030323
610551430333
71512633354
oct414261761
9156327153
1070345713
1136787859
121b6853a9
131175cca9
1494b229b
156298293
hex43163f1

70345713 has 4 divisors (see below), whose sum is σ = 93794288. Its totient is φ = 46897140.

The previous prime is 70345703. The next prime is 70345757. The reversal of 70345713 is 31754307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70345713 - 24 = 70345697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70345703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11724283 + ... + 11724288.

It is an arithmetic number, because the mean of its divisors is an integer number (23448572).

Almost surely, 270345713 is an apocalyptic number.

It is an amenable number.

70345713 is a deficient number, since it is larger than the sum of its proper divisors (23448575).

70345713 is a wasteful number, since it uses less digits than its factorization.

70345713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23448574.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 70345713 is about 8387.2351224942. The cubic root of 70345713 is about 412.8058836803.

The spelling of 70345713 in words is "seventy million, three hundred forty-five thousand, seven hundred thirteen".

Divisors: 1 3 23448571 70345713