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52481953 = 183128663
BaseRepresentation
bin1100100000110…
…0111110100001
310122202100201001
43020030332201
5101413410303
65112512001
71205042416
oct310147641
9118670631
1052481953
1127696517
12156ab601
13ab47014
146d8210d
15491a31d
hex320cfa1

52481953 has 4 divisors (see below), whose sum is σ = 52512448. Its totient is φ = 52451460.

The previous prime is 52481951. The next prime is 52481959. The reversal of 52481953 is 35918425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52481953 - 21 = 52481951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52481951) 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, 12501 + ... + 16162.

It is an arithmetic number, because the mean of its divisors is an integer number (13128112).

Almost surely, 252481953 is an apocalyptic number.

It is an amenable number.

52481953 is a deficient number, since it is larger than the sum of its proper divisors (30495).

52481953 is a wasteful number, since it uses less digits than its factorization.

52481953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30494.

The product of its digits is 43200, while the sum is 37.

The square root of 52481953 is about 7244.4429047374. The cubic root of 52481953 is about 374.4007091485.

The spelling of 52481953 in words is "fifty-two million, four hundred eighty-one thousand, nine hundred fifty-three".

Divisors: 1 1831 28663 52481953