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53983900 = 2252539839
BaseRepresentation
bin1100110111101…
…1101010011100
310202120122222201
43031323222130
5102304441100
65205021244
71223566315
oct315735234
9122518881
1053983900
11285219a3
12160b4824
13b251849
14725360c
154b1536a
hex337ba9c

53983900 has 18 divisors (see below), whose sum is σ = 117145280. Its totient is φ = 21593520.

The previous prime is 53983889. The next prime is 53983901. The reversal of 53983900 is 938935.

It is a super-2 number, since 2×539839002 = 5828522918420000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53983900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53983901) 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, 269820 + ... + 270019.

Almost surely, 253983900 is an apocalyptic number.

53983900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53983900 is an abundant number, since it is smaller than the sum of its proper divisors (63161380).

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

53983900 is a wasteful number, since it uses less digits than its factorization.

53983900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539853 (or 539846 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 53983900 is about 7347.3736804385. The cubic root of 53983900 is about 377.9387469218.

The spelling of 53983900 in words is "fifty-three million, nine hundred eighty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 539839 1079678 2159356 2699195 5398390 10796780 13495975 26991950 53983900