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242154030 = 23510378367
BaseRepresentation
bin11100110111011…
…11101000101110
3121212122200212210
432123233220232
5443442412110
640010111250
76000163266
oct1633575056
9555580783
10242154030
111147649a8
126911b526
133b226411
14242367a6
15163d4520
hexe6efa2e

242154030 has 32 divisors (see below), whose sum is σ = 586819584. Its totient is φ = 63946656.

The previous prime is 242154023. The next prime is 242154043. The reversal of 242154030 is 30451242.

It is a junction number, because it is equal to n+sod(n) for n = 242153988 and 242154006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36094 + ... + 42273.

It is an arithmetic number, because the mean of its divisors is an integer number (18338112).

Almost surely, 2242154030 is an apocalyptic number.

242154030 is an abundant number, since it is smaller than the sum of its proper divisors (344665554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242154030 is a wasteful number, since it uses less digits than its factorization.

242154030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78480.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242154030 is about 15561.2991102928. The cubic root of 242154030 is about 623.3001532918.

The spelling of 242154030 in words is "two hundred forty-two million, one hundred fifty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 78367 156734 235101 391835 470202 783670 1175505 2351010 8071801 16143602 24215403 40359005 48430806 80718010 121077015 242154030