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53370400 = 255266713
BaseRepresentation
bin1100101110010…
…1111000100000
310201102111102111
43023211320200
5102130323100
65143525104
71215432556
oct313457040
9121374374
1053370400
1128142a76
1215a59794
13b098525
147133bd6
154a436ba
hex32e5e20

53370400 has 36 divisors (see below), whose sum is σ = 130292442. Its totient is φ = 21347840.

The previous prime is 53370379. The next prime is 53370403. The reversal of 53370400 is 407335.

It can be written as a sum of positive squares in 3 ways, for example, as 47279376 + 6091024 = 6876^2 + 2468^2 .

It is not an unprimeable number, because it can be changed into a prime (53370403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32557 + ... + 34156.

Almost surely, 253370400 is an apocalyptic number.

53370400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53370400 is an abundant number, since it is smaller than the sum of its proper divisors (76922042).

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

53370400 is a wasteful number, since it uses less digits than its factorization.

53370400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66733 (or 66720 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 53370400 is about 7305.5047737990. The cubic root of 53370400 is about 376.5015940303.

Adding to 53370400 its reverse (407335), we get a palindrome (53777735).

The spelling of 53370400 in words is "fifty-three million, three hundred seventy thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 66713 133426 266852 333565 533704 667130 1067408 1334260 1667825 2134816 2668520 3335650 5337040 6671300 10674080 13342600 26685200 53370400