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52644605 = 513809917
BaseRepresentation
bin1100100011010…
…0101011111101
310200001121211012
43020310223331
5101434111410
65120205005
71206320546
oct310645375
9120047735
1052644605
1127797742
1215769765
13aba3070
146dc54cd
15494d605
hex3234afd

52644605 has 8 divisors (see below), whose sum is σ = 68033112. Its totient is φ = 38875968.

The previous prime is 52644593. The next prime is 52644617. The reversal of 52644605 is 50644625.

It is an interprime number because it is at equal distance from previous prime (52644593) and next prime (52644617).

It can be written as a sum of positive squares in 4 ways, for example, as 3378244 + 49266361 = 1838^2 + 7019^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52644605 - 24 = 52644589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404894 + ... + 405023.

It is an arithmetic number, because the mean of its divisors is an integer number (8504139).

Almost surely, 252644605 is an apocalyptic number.

It is an amenable number.

52644605 is a deficient number, since it is larger than the sum of its proper divisors (15388507).

52644605 is a wasteful number, since it uses less digits than its factorization.

52644605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809935.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 52644605 is about 7255.6602042819. The cubic root of 52644605 is about 374.7870909941.

The spelling of 52644605 in words is "fifty-two million, six hundred forty-four thousand, six hundred five".

Divisors: 1 5 13 65 809917 4049585 10528921 52644605