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52431005 = 5114123251
BaseRepresentation
bin1100100000000…
…0100010011101
310122122202211002
43020000202131
5101410243010
65111440045
71204441034
oct310004235
9118582732
1052431005
1127661210
1215686025
13ab29a83
146d6b71b
15490a1a5
hex320089d

52431005 has 16 divisors (see below), whose sum is σ = 70314048. Its totient is φ = 37200000.

The previous prime is 52430993. The next prime is 52431011. The reversal of 52431005 is 50013425.

It is a de Polignac number, because none of the positive numbers 2k-52431005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9371 + ... + 13880.

It is an arithmetic number, because the mean of its divisors is an integer number (4394628).

Almost surely, 252431005 is an apocalyptic number.

52431005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52431005 is a deficient number, since it is larger than the sum of its proper divisors (17883043).

52431005 is a wasteful number, since it uses less digits than its factorization.

52431005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23308.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52431005 is about 7240.9257004889. The cubic root of 52431005 is about 374.2795173733.

The spelling of 52431005 in words is "fifty-two million, four hundred thirty-one thousand, five".

Divisors: 1 5 11 41 55 205 451 2255 23251 116255 255761 953291 1278805 4766455 10486201 52431005