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655450242 = 232272691789
BaseRepresentation
bin100111000100010…
…110000010000010
31200200100022200220
4213010112002002
52320243401432
6145012323510
722146143436
oct4704260202
91620308626
10655450242
11306a91517
12163613596
13a5a419a5
146309c9c6
153c82272c
hex27116082

655450242 has 32 divisors (see below), whose sum is σ = 1322308800. Its totient is φ = 216591168.

The previous prime is 655450241. The next prime is 655450259. The reversal of 655450242 is 242054556.

It is not an unprimeable number, because it can be changed into a prime (655450241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365484 + ... + 367272.

It is an arithmetic number, because the mean of its divisors is an integer number (41322150).

Almost surely, 2655450242 is an apocalyptic number.

655450242 is an abundant number, since it is smaller than the sum of its proper divisors (666858558).

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

655450242 is a wasteful number, since it uses less digits than its factorization.

655450242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 655450242 is about 25601.7624783920. The cubic root of 655450242 is about 868.6535043729.

The spelling of 655450242 in words is "six hundred fifty-five million, four hundred fifty thousand, two hundred forty-two".

Divisors: 1 2 3 6 227 269 454 538 681 807 1362 1614 1789 3578 5367 10734 61063 122126 183189 366378 406103 481241 812206 962482 1218309 1443723 2436618 2887446 109241707 218483414 327725121 655450242