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52455253 = 83631991
BaseRepresentation
bin1100100000011…
…0011101010101
310122201000002011
43020012131111
5101412032003
65112144221
71204601524
oct310063525
9118630064
1052455253
1127678454
1215698071
13ab37b16
146d764bb
15491246d
hex3206755

52455253 has 4 divisors (see below), whose sum is σ = 53087328. Its totient is φ = 51823180.

The previous prime is 52455241. The next prime is 52455281. The reversal of 52455253 is 35255425.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-52455253 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 (52455223) 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, 315913 + ... + 316078.

It is an arithmetic number, because the mean of its divisors is an integer number (13271832).

Almost surely, 252455253 is an apocalyptic number.

It is an amenable number.

52455253 is a deficient number, since it is larger than the sum of its proper divisors (632075).

52455253 is an equidigital number, since it uses as much as digits as its factorization.

52455253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632074.

The product of its digits is 30000, while the sum is 31.

The square root of 52455253 is about 7242.5998784967. The cubic root of 52455253 is about 374.3372067185.

The spelling of 52455253 in words is "fifty-two million, four hundred fifty-five thousand, two hundred fifty-three".

Divisors: 1 83 631991 52455253