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53638103 = 137391519
BaseRepresentation
bin1100110010011…
…1001111010111
310201221002122102
43030213033113
5102212404403
65153352315
71220626211
oct314471727
9121832572
1053638103
1128306112
1215b6869b
13b16032c
1471a35b1
154a97b88
hex33273d7

53638103 has 4 divisors (see below), whose sum is σ = 54029760. Its totient is φ = 53246448.

The previous prime is 53638097. The next prime is 53638133. The reversal of 53638103 is 30183635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53638103 - 28 = 53637847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53638133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195623 + ... + 195896.

It is an arithmetic number, because the mean of its divisors is an integer number (13507440).

Almost surely, 253638103 is an apocalyptic number.

53638103 is a deficient number, since it is larger than the sum of its proper divisors (391657).

53638103 is a wasteful number, since it uses less digits than its factorization.

53638103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391656.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53638103 is about 7323.8038613824. The cubic root of 53638103 is about 377.1300482184.

The spelling of 53638103 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred three".

Divisors: 1 137 391519 53638103