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52245839 = 1916091709
BaseRepresentation
bin1100011101001…
…1010101001111
310122022100211002
43013103111033
5101333331324
65103450515
71203040142
oct307232517
9118270732
1052245839
1127545088
12155b6a3b
13aa936c9
146d20059
1548c03ae
hex31d354f

52245839 has 8 divisors (see below), whose sum is σ = 55062000. Its totient is φ = 49436352.

The previous prime is 52245833. The next prime is 52245841. The reversal of 52245839 is 93854225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52245839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52245833) 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, 29717 + ... + 31425.

It is an arithmetic number, because the mean of its divisors is an integer number (6882750).

Almost surely, 252245839 is an apocalyptic number.

52245839 is a deficient number, since it is larger than the sum of its proper divisors (2816161).

52245839 is a wasteful number, since it uses less digits than its factorization.

52245839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337.

The product of its digits is 86400, while the sum is 38.

The square root of 52245839 is about 7228.1283192816. The cubic root of 52245839 is about 373.8383942482.

The spelling of 52245839 in words is "fifty-two million, two hundred forty-five thousand, eight hundred thirty-nine".

Divisors: 1 19 1609 1709 30571 32471 2749781 52245839