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655360242 = 23172163467
BaseRepresentation
bin100111000100000…
…000000011110010
31200200011202020120
4213010000003302
52320233011432
6145010351110
722145320155
oct4704000362
91620152216
10655360242
11306a2a939
1216358b496
13a5a0ca34
1463077c9c
153c805c2c
hex271000f2

655360242 has 16 divisors (see below), whose sum is σ = 1311502752. Its totient is φ = 218323040.

The previous prime is 655360219. The next prime is 655360253. The reversal of 655360242 is 242063556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21408 + ... + 42059.

It is an arithmetic number, because the mean of its divisors is an integer number (81968922).

Almost surely, 2655360242 is an apocalyptic number.

655360242 is an abundant number, since it is smaller than the sum of its proper divisors (656142510).

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

655360242 is a wasteful number, since it uses less digits than its factorization.

655360242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65193.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 655360242 is about 25600.0047265621. The cubic root of 655360242 is about 868.6137442259.

It can be divided in two parts, 6553 and 60242, that added together give a triangular number (66795 = T365).

The spelling of 655360242 in words is "six hundred fifty-five million, three hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 3 6 1721 3442 5163 10326 63467 126934 190401 380802 109226707 218453414 327680121 655360242