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654430452 = 2231319220793
BaseRepresentation
bin100111000000011…
…101000011110100
31200121102111210220
4213000131003310
52320013233302
6144534414340
722134365334
oct4700350364
91617374726
10654430452
11306455315
121632013b0
13a5775770
1462cb50c4
153c6c04bc
hex2701d0f4

654430452 has 48 divisors (see below), whose sum is σ = 1731024960. Its totient is φ = 190764288.

The previous prime is 654430411. The next prime is 654430457. The reversal of 654430452 is 254034456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654430457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107433 + ... + 113360.

It is an arithmetic number, because the mean of its divisors is an integer number (36063020).

Almost surely, 2654430452 is an apocalyptic number.

It is an amenable number.

654430452 is an abundant number, since it is smaller than the sum of its proper divisors (1076594508).

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

654430452 is a wasteful number, since it uses less digits than its factorization.

654430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220832 (or 220830 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 654430452 is about 25581.8383233105. The cubic root of 654430452 is about 868.2027689267.

The spelling of 654430452 in words is "six hundred fifty-four million, four hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 220793 441586 662379 883172 1324758 2649516 2870309 4195067 5740618 8390134 8610927 11481236 12585201 16780268 17221854 25170402 34443708 50340804 54535871 109071742 163607613 218143484 327215226 654430452