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270668857 = 991273127
BaseRepresentation
bin10000001000100…
…001010000111001
3200212022101212111
4100020201100321
51023242400412
642505212321
76464435014
oct2010412071
9625271774
10270668857
11129870578
12767910a1
13440cb3b4
1427d3a37b
1518b682a7
hex10221439

270668857 has 4 divisors (see below), whose sum is σ = 270942976. Its totient is φ = 270394740.

The previous prime is 270668833. The next prime is 270668863. The reversal of 270668857 is 758866072.

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 270668857 - 215 = 270636089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 270668857.

It is not an unprimeable number, because it can be changed into a prime (270618857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135573 + ... + 137554.

It is an arithmetic number, because the mean of its divisors is an integer number (67735744).

Almost surely, 2270668857 is an apocalyptic number.

It is an amenable number.

270668857 is a deficient number, since it is larger than the sum of its proper divisors (274119).

270668857 is an equidigital number, since it uses as much as digits as its factorization.

270668857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274118.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 270668857 is about 16452.0168064587. The cubic root of 270668857 is about 646.8636738415.

The spelling of 270668857 in words is "two hundred seventy million, six hundred sixty-eight thousand, eight hundred fifty-seven".

Divisors: 1 991 273127 270668857