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53100025 = 5211353547
BaseRepresentation
bin1100101010001…
…1110111111001
310200220202112121
43022203313321
5102043200100
65134041241
71213225366
oct312436771
9120822477
1053100025
1127a78920
1215949221
13b002444
1470a346d
1549dd51a
hex32a3df9

53100025 has 24 divisors (see below), whose sum is σ = 72165024. Its totient is φ = 38438400.

The previous prime is 53100023. The next prime is 53100053. The reversal of 53100025 is 52000135.

It is not a de Polignac number, because 53100025 - 21 = 53100023 is a prime.

It is a super-2 number, since 2×531000252 = 5639225310001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53099981 and 53100008.

It is not an unprimeable number, because it can be changed into a prime (53100023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96802 + ... + 97348.

It is an arithmetic number, because the mean of its divisors is an integer number (3006876).

Almost surely, 253100025 is an apocalyptic number.

53100025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53100025 is a deficient number, since it is larger than the sum of its proper divisors (19064999).

53100025 is a wasteful number, since it uses less digits than its factorization.

53100025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 53100025 is about 7286.9763962840. The cubic root of 53100025 is about 375.8647303703.

The spelling of 53100025 in words is "fifty-three million, one hundred thousand, twenty-five".

Divisors: 1 5 11 25 55 275 353 547 1765 2735 3883 6017 8825 13675 19415 30085 97075 150425 193091 965455 2124001 4827275 10620005 53100025