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242753808 = 243113114831
BaseRepresentation
bin11100111100000…
…10000100010000
3121220210011121210
432132002010100
5444121110213
640031020120
76005242023
oct1636020420
9556704553
10242753808
11115034590
126936a640
133b3a640b
14243511ba
15164a20c3
hexe782110

242753808 has 80 divisors (see below), whose sum is σ = 706240512. Its totient is φ = 71184000.

The previous prime is 242753767. The next prime is 242753821. The reversal of 242753808 is 808357242.

It is a super-2 number, since 2×2427538082 = 117858822597001728, which contains 22 as substring.

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, 8953 + ... + 23783.

Almost surely, 2242753808 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 242753808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353120256).

242753808 is an abundant number, since it is smaller than the sum of its proper divisors (463486704).

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

242753808 is a wasteful number, since it uses less digits than its factorization.

242753808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884 (or 14878 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 242753808 is about 15580.5586549392. The cubic root of 242753808 is about 623.8143349665.

The spelling of 242753808 in words is "two hundred forty-two million, seven hundred fifty-three thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 264 341 372 496 528 682 744 1023 1364 1488 2046 2728 4092 5456 8184 14831 16368 29662 44493 59324 88986 118648 163141 177972 237296 326282 355944 459761 489423 652564 711888 919522 978846 1305128 1379283 1839044 1957692 2610256 2758566 3678088 3915384 5057371 5517132 7356176 7830768 10114742 11034264 15172113 20229484 22068528 30344226 40458968 60688452 80917936 121376904 242753808