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5457818240 = 27571218263
BaseRepresentation
bin1010001010100111…
…11011001010000000
3112002100211220010022
411011103323022000
542134200140430
62301323553012
7252151455350
oct50523731200
915070756108
105457818240
112350883696
12108398b768
1368c965064
1439abd6b60
1521e23b4e5
hex1454fb280

5457818240 has 64 divisors (see below), whose sum is σ = 14911551360. Its totient is φ = 1871250432.

The previous prime is 5457818221. The next prime is 5457818263. The reversal of 5457818240 is 428187545.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 5457818191 and 5457818200.

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, 604652 + ... + 613611.

It is an arithmetic number, because the mean of its divisors is an integer number (232992990).

Almost surely, 25457818240 is an apocalyptic number.

It is an amenable number.

5457818240 is an abundant number, since it is smaller than the sum of its proper divisors (9453733120).

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

5457818240 is a wasteful number, since it uses less digits than its factorization.

5457818240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218289 (or 1218277 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The square root of 5457818240 is about 73877.0481272770. The cubic root of 5457818240 is about 1760.6499665499.

The spelling of 5457818240 in words is "five billion, four hundred fifty-seven million, eight hundred eighteen thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 1218263 2436526 4873052 6091315 8527841 9746104 12182630 17055682 19492208 24365260 34111364 38984416 42639205 48730520 68222728 77968832 85278410 97461040 136445456 155937664 170556820 194922080 272890912 341113640 389844160 545781824 682227280 779688320 1091563648 1364454560 2728909120 5457818240