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11742857 = 72372937
BaseRepresentation
bin101100110010…
…111010001001
3211002121011122
4230302322021
511001232412
61055405025
7201545510
oct54627211
924077148
1011742857
1166a0645
123b23775
132581c49
1417b9677
15106e572
hexb32e89

11742857 has 8 divisors (see below), whose sum is σ = 14004096. Its totient is φ = 9627552.

The previous prime is 11742793. The next prime is 11742877. The reversal of 11742857 is 75824711.

11742857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11742857 - 26 = 11742793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11742877) 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, 36308 + ... + 36629.

It is an arithmetic number, because the mean of its divisors is an integer number (1750512).

Almost surely, 211742857 is an apocalyptic number.

It is an amenable number.

11742857 is a deficient number, since it is larger than the sum of its proper divisors (2261239).

11742857 is an equidigital number, since it uses as much as digits as its factorization.

11742857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72967.

The product of its digits is 15680, while the sum is 35.

The square root of 11742857 is about 3426.7852281694. The cubic root of 11742857 is about 227.2957196957.

The spelling of 11742857 in words is "eleven million, seven hundred forty-two thousand, eight hundred fifty-seven".

Divisors: 1 7 23 161 72937 510559 1677551 11742857