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242154472 = 23721514091
BaseRepresentation
bin11100110111011…
…11101111101000
3121212122201111011
432123233233220
5443442420342
640010113304
76000164500
oct1633575750
9555581434
10242154472
1111476526a
126911b834
133b226691
1424236a00
15163d4717
hexe6efbe8

242154472 has 48 divisors (see below), whose sum is σ = 531796320. Its totient is φ = 103068000.

The previous prime is 242154463. The next prime is 242154491. The reversal of 242154472 is 274451242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57147 + ... + 61237.

It is an arithmetic number, because the mean of its divisors is an integer number (11079090).

Almost surely, 2242154472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242154472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265898160).

242154472 is an abundant number, since it is smaller than the sum of its proper divisors (289641848).

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

242154472 is a wasteful number, since it uses less digits than its factorization.

242154472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262 (or 4251 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 242154472 is about 15561.3133121854. The cubic root of 242154472 is about 623.3005325250.

The spelling of 242154472 in words is "two hundred forty-two million, one hundred fifty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 151 196 302 392 604 1057 1208 2114 4091 4228 7399 8182 8456 14798 16364 28637 29596 32728 57274 59192 114548 200459 229096 400918 617741 801836 1235482 1603672 2470964 4324187 4941928 8648374 17296748 30269309 34593496 60538618 121077236 242154472