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242772051 = 380924017
BaseRepresentation
bin11100111100001…
…10100001010011
3121220211002122110
432132012201103
5444122201201
640031240403
76005346144
oct1636064123
9556732573
10242772051
11115047265
1269379103
133b3b1802
1424357acb
15164a76d6
hexe786853

242772051 has 4 divisors (see below), whose sum is σ = 323696072. Its totient is φ = 161848032.

The previous prime is 242772043. The next prime is 242772071. The reversal of 242772051 is 150277242.

242772051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242772051 - 23 = 242772043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242772031) 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, 40462006 + ... + 40462011.

It is an arithmetic number, because the mean of its divisors is an integer number (80924018).

Almost surely, 2242772051 is an apocalyptic number.

242772051 is a deficient number, since it is larger than the sum of its proper divisors (80924021).

242772051 is an equidigital number, since it uses as much as digits as its factorization.

242772051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80924020.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 242772051 is about 15581.1440850792. The cubic root of 242772051 is about 623.8299611681.

The spelling of 242772051 in words is "two hundred forty-two million, seven hundred seventy-two thousand, fifty-one".

Divisors: 1 3 80924017 242772051