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70923929 = 86382183
BaseRepresentation
bin1000011101000…
…11011010011001
311221110022100012
410032203122121
5121124031204
611012051305
71520562206
oct416433231
9157408305
1070923929
113704221a
121b903b35
131190322b
1495c2cad
15635e76e
hex43a3699

70923929 has 4 divisors (see below), whose sum is σ = 71006976. Its totient is φ = 70840884.

The previous prime is 70923913. The next prime is 70923947. The reversal of 70923929 is 92932907.

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 a cyclic number.

It is not a de Polignac number, because 70923929 - 24 = 70923913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70923829) 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, 40229 + ... + 41954.

It is an arithmetic number, because the mean of its divisors is an integer number (17751744).

Almost surely, 270923929 is an apocalyptic number.

It is an amenable number.

70923929 is a deficient number, since it is larger than the sum of its proper divisors (83047).

70923929 is an equidigital number, since it uses as much as digits as its factorization.

70923929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83046.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 70923929 is about 8421.6345800563. The cubic root of 70923929 is about 413.9338365798.

The spelling of 70923929 in words is "seventy million, nine hundred twenty-three thousand, nine hundred twenty-nine".

Divisors: 1 863 82183 70923929