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52454531 = 151383907
BaseRepresentation
bin1100100000011…
…0010010000011
310122200222002102
43020012102003
5101412021111
65112141015
71204566443
oct310062203
9118628072
1052454531
1127677958
121569776b
13ab376ac
146d76123
15491213b
hex3206483

52454531 has 8 divisors (see below), whose sum is σ = 52998144. Its totient is φ = 51913800.

The previous prime is 52454527. The next prime is 52454557. The reversal of 52454531 is 13545425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52454531 - 22 = 52454527 is a prime.

It is a super-2 number, since 2×524545312 = 5502955644859922, 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 = 52454494 and 52454503.

It is not an unprimeable number, because it can be changed into a prime (52454581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57380 + ... + 58286.

It is an arithmetic number, because the mean of its divisors is an integer number (6624768).

Almost surely, 252454531 is an apocalyptic number.

52454531 is a deficient number, since it is larger than the sum of its proper divisors (543613).

52454531 is a wasteful number, since it uses less digits than its factorization.

52454531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its digits is 12000, while the sum is 29.

The square root of 52454531 is about 7242.5500343456. The cubic root of 52454531 is about 374.3354892375.

Adding to 52454531 its reverse (13545425), we get a palindrome (65999956).

It can be divided in two parts, 524 and 54531, that added together give a palindrome (55055).

The spelling of 52454531 in words is "fifty-two million, four hundred fifty-four thousand, five hundred thirty-one".

Divisors: 1 151 383 907 57833 136957 347381 52454531