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70345911 = 3167140411
BaseRepresentation
bin1000011000101…
…10010010110111
311220100221110010
410030112102313
5121002032121
610551431303
71512634056
oct414262267
9156327403
1070345911
1136787a19
121b685533
13117600cc
1494b239d
156298376
hex43164b7

70345911 has 8 divisors (see below), whose sum is σ = 94356864. Its totient is φ = 46616120.

The previous prime is 70345907. The next prime is 70345927. The reversal of 70345911 is 11954307.

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

It is a cyclic number.

It is not a de Polignac number, because 70345911 - 22 = 70345907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70345901) 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 7 ways as a sum of consecutive naturals, for example, 69705 + ... + 70706.

It is an arithmetic number, because the mean of its divisors is an integer number (11794608).

Almost surely, 270345911 is an apocalyptic number.

70345911 is a deficient number, since it is larger than the sum of its proper divisors (24010953).

70345911 is a wasteful number, since it uses less digits than its factorization.

70345911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140581.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 70345911 is about 8387.2469261373. The cubic root of 70345911 is about 412.8062709841.

The spelling of 70345911 in words is "seventy million, three hundred forty-five thousand, nine hundred eleven".

Divisors: 1 3 167 501 140411 421233 23448637 70345911