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70288727 = 1731713043
BaseRepresentation
bin1000011000010…
…00010101010111
311220021001000012
410030020111113
5120443214402
610550310435
71512305255
oct414102527
9156231005
1070288727
1136748a63
121b65841b
1311740082
1494995d5
156286452
hex4308557

70288727 has 8 divisors (see below), whose sum is σ = 74663856. Its totient is φ = 65940352.

The previous prime is 70288723. The next prime is 70288741. The reversal of 70288727 is 72788207.

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 70288727 - 22 = 70288723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70288723) 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 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (9332982).

Almost surely, 270288727 is an apocalyptic number.

70288727 is a deficient number, since it is larger than the sum of its proper divisors (4375129).

70288727 is a wasteful number, since it uses less digits than its factorization.

70288727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 70288727 is about 8383.8372479432. The cubic root of 70288727 is about 412.6943842956.

The spelling of 70288727 in words is "seventy million, two hundred eighty-eight thousand, seven hundred twenty-seven".

Divisors: 1 17 317 5389 13043 221731 4134631 70288727