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45257800 = 2352732327
BaseRepresentation
bin1010110010100…
…1010001001000
310011011100000211
42230221101020
543041222200
64254010504
71056453640
oct254512110
9104140024
1045257800
1123601945
12131a6a34
1394b7a83
146021520
153e8eaba
hex2b29448

45257800 has 48 divisors (see below), whose sum is σ = 120260160. Its totient is φ = 15516480.

The previous prime is 45257789. The next prime is 45257831. The reversal of 45257800 is 875254.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14764 + ... + 17563.

It is an arithmetic number, because the mean of its divisors is an integer number (2505420).

Almost surely, 245257800 is an apocalyptic number.

45257800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45257800 is an abundant number, since it is smaller than the sum of its proper divisors (75002360).

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

45257800 is a wasteful number, since it uses less digits than its factorization.

45257800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32350 (or 32341 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 45257800 is about 6727.3917679885. The cubic root of 45257800 is about 356.3672723589.

The spelling of 45257800 in words is "forty-five million, two hundred fifty-seven thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 32327 64654 129308 161635 226289 258616 323270 452578 646540 808175 905156 1131445 1293080 1616350 1810312 2262890 3232700 4525780 5657225 6465400 9051560 11314450 22628900 45257800