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242456456 = 23113124761
BaseRepresentation
bin11100111001110…
…01011110001000
3121220020001201202
432130321132020
5444032101311
640020403332
76002563064
oct1634713610
9556201652
10242456456
11114951140
1269246548
133b300c78
14242b4aa4
1516443e3b
hexe739788

242456456 has 96 divisors (see below), whose sum is σ = 531930240. Its totient is φ = 102672000.

The previous prime is 242456453. The next prime is 242456471. The reversal of 242456456 is 654654242.

It is not an unprimeable number, because it can be changed into a prime (242456453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3974666 + ... + 3974726.

It is an arithmetic number, because the mean of its divisors is an integer number (5540940).

Almost surely, 2242456456 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 242456456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265965120).

242456456 is an abundant number, since it is smaller than the sum of its proper divisors (289473784).

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

242456456 is a wasteful number, since it uses less digits than its factorization.

242456456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 152 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 242456456 is about 15571.0133260491. The cubic root of 242456456 is about 623.5595250550.

The spelling of 242456456 in words is "two hundred forty-two million, four hundred fifty-six thousand, four hundred fifty-six".

Divisors: 1 2 4 8 11 22 31 44 47 61 62 88 94 122 124 188 244 248 341 376 488 517 671 682 961 1034 1342 1364 1457 1891 1922 2068 2684 2728 2867 2914 3782 3844 4136 5368 5734 5828 7564 7688 10571 11468 11656 15128 16027 20801 21142 22936 31537 32054 41602 42284 45167 58621 63074 64108 83204 84568 88877 90334 117242 126148 128216 166408 177754 180668 234484 252296 355508 361336 468968 496837 644831 711016 977647 993674 1289662 1955294 1987348 2579324 2755187 3910588 3974696 5158648 5510374 7821176 11020748 22041496 30307057 60614114 121228228 242456456