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52052644 = 2271859023
BaseRepresentation
bin1100011010010…
…0001010100100
310121221112210201
43012210022210
5101311141034
65055400244
71201303660
oct306441244
9117845721
1052052644
1127422a16
1215523084
13aa267a7
146cad8a0
154883014
hex31a42a4

52052644 has 12 divisors (see below), whose sum is σ = 104105344. Its totient is φ = 22308264.

The previous prime is 52052639. The next prime is 52052677. The reversal of 52052644 is 44625025.

52052644 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1859023 = 52052644 / (5 + 2 + 0 + 5 + 2 + 6 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929484 + ... + 929539.

Almost surely, 252052644 is an apocalyptic number.

It is an amenable number.

52052644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52052644 is a wasteful number, since it uses less digits than its factorization.

52052644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859034 (or 1859032 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 52052644 is about 7214.7518321838. The cubic root of 52052644 is about 373.3770310954.

Adding to 52052644 its reverse (44625025), we get a palindrome (96677669).

The spelling of 52052644 in words is "fifty-two million, fifty-two thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 1859023 3718046 7436092 13013161 26026322 52052644