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242646486 = 23311304551
BaseRepresentation
bin11100111011001…
…11110111010110
3121220120201101220
432131213313112
5444104141421
640024431210
76004314105
oct1635476726
9556521356
10242646486
11114a70995
1269318506
133b369604
142432403c
15164803c6
hexe767dd6

242646486 has 16 divisors (see below), whose sum is σ = 500947968. Its totient is φ = 78273000.

The previous prime is 242646449. The next prime is 242646533. The reversal of 242646486 is 684646242.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 652090 + ... + 652461.

It is an arithmetic number, because the mean of its divisors is an integer number (31309248).

Almost surely, 2242646486 is an apocalyptic number.

242646486 is an abundant number, since it is smaller than the sum of its proper divisors (258301482).

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

242646486 is a wasteful number, since it uses less digits than its factorization.

242646486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304587.

The product of its digits is 442368, while the sum is 42.

The square root of 242646486 is about 15577.1141743264. The cubic root of 242646486 is about 623.7223915127.

The spelling of 242646486 in words is "two hundred forty-two million, six hundred forty-six thousand, four hundred eighty-six".

Divisors: 1 2 3 6 31 62 93 186 1304551 2609102 3913653 7827306 40441081 80882162 121323243 242646486