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242495474 = 2131812272
BaseRepresentation
bin11100111010000…
…10111111110010
3121220022001020212
432131002333302
5444034323344
640021304122
76003114614
oct1635027762
9556261225
10242495474
11114978491
1269265042
133b315960
14242c4db4
151645079e
hexe742ff2

242495474 has 24 divisors (see below), whose sum is σ = 395630508. Its totient is φ = 110812320.

The previous prime is 242495431. The next prime is 242495483. The reversal of 242495474 is 474594242.

It can be written as a sum of positive squares in 2 ways, for example, as 179372449 + 63123025 = 13393^2 + 7945^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068149 + ... + 1068375.

Almost surely, 2242495474 is an apocalyptic number.

242495474 is a deficient number, since it is larger than the sum of its proper divisors (153135034).

242495474 is a wasteful number, since it uses less digits than its factorization.

242495474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 423 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 242495474 is about 15572.2661806174. The cubic root of 242495474 is about 623.5929726287.

The spelling of 242495474 in words is "two hundred forty-two million, four hundred ninety-five thousand, four hundred seventy-four".