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70244779 = 1111175717
BaseRepresentation
bin1000010111111…
…01100110101011
311220011210201111
410023331212223
5120440313104
610545331151
71512033163
oct413754653
9156153644
1070244779
1136718a40
121b636ab7
1311726077
1494875a3
156278404
hex42fd9ab

70244779 has 8 divisors (see below), whose sum is σ = 76712688. Its totient is φ = 63790560.

The previous prime is 70244771. The next prime is 70244789. The reversal of 70244779 is 97744207.

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 70244779 - 23 = 70244771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70244771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (9589086).

Almost surely, 270244779 is an apocalyptic number.

70244779 is a deficient number, since it is larger than the sum of its proper divisors (6467909).

70244779 is a wasteful number, since it uses less digits than its factorization.

70244779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 70244779 is about 8381.2158425851. The cubic root of 70244779 is about 412.6083540270.

The spelling of 70244779 in words is "seventy million, two hundred forty-four thousand, seven hundred seventy-nine".

Divisors: 1 11 1117 5717 12287 62887 6385889 70244779