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52657740448 = 2517234208579
BaseRepresentation
bin110001000010101001…
…010101101010100000
312000220210211101010021
4301002221111222200
51330320340143243
640105102043224
73542623260115
oct610251255240
9160823741107
1052657740448
1120371a15865
12a256b79514
134c7257b301
1427976c290c
151582d7d6ed
hexc42a55aa0

52657740448 has 48 divisors (see below), whose sum is σ = 114540713280. Its totient is φ = 23702711296.

The previous prime is 52657740419. The next prime is 52657740449. The reversal of 52657740448 is 84404775625.

It is a junction number, because it is equal to n+sod(n) for n = 52657740395 and 52657740404.

It is not an unprimeable number, because it can be changed into a prime (52657740449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091778 + ... + 2116801.

It is an arithmetic number, because the mean of its divisors is an integer number (2386264860).

Almost surely, 252657740448 is an apocalyptic number.

It is an amenable number.

52657740448 is an abundant number, since it is smaller than the sum of its proper divisors (61882972832).

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

52657740448 is a wasteful number, since it uses less digits than its factorization.

52657740448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208629 (or 4208621 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 52657740448 in words is "fifty-two billion, six hundred fifty-seven million, seven hundred forty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 17 23 32 34 46 68 92 136 184 272 368 391 544 736 782 1564 3128 6256 12512 4208579 8417158 16834316 33668632 67337264 71545843 96797317 134674528 143091686 193594634 286183372 387189268 572366744 774378536 1144733488 1548757072 1645554389 2289466976 3097514144 3291108778 6582217556 13164435112 26328870224 52657740448