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70267705 = 515789513
BaseRepresentation
bin1000011000000…
…11001100111001
311220012222011121
410030003030321
5120442031310
610550025241
71512160054
oct414031471
9156188147
1070267705
1136734192
121b648221
1311733631
149491a9b
1562800da
hex4303339

70267705 has 8 divisors (see below), whose sum is σ = 84859272. Its totient is φ = 55855488.

The previous prime is 70267663. The next prime is 70267721. The reversal of 70267705 is 50776207.

It can be written as a sum of positive squares in 4 ways, for example, as 1510441 + 68757264 = 1229^2 + 8292^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70267705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43972 + ... + 45541.

It is an arithmetic number, because the mean of its divisors is an integer number (10607409).

Almost surely, 270267705 is an apocalyptic number.

It is an amenable number.

70267705 is a deficient number, since it is larger than the sum of its proper divisors (14591567).

70267705 is a wasteful number, since it uses less digits than its factorization.

70267705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89675.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 70267705 is about 8382.5834323316. The cubic root of 70267705 is about 412.6532372214.

The spelling of 70267705 in words is "seventy million, two hundred sixty-seven thousand, seven hundred five".

Divisors: 1 5 157 785 89513 447565 14053541 70267705