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52401244 = 2271871473
BaseRepresentation
bin1100011111100…
…1010001011100
310122121020222211
43013321101130
5101403314434
65111050204
71204255210
oct307712134
9118536884
1052401244
1127640915
1215670964
13ab1936c
146d60940
154901464
hex31f945c

52401244 has 12 divisors (see below), whose sum is σ = 104802544. Its totient is φ = 22457664.

The previous prime is 52401229. The next prime is 52401247. The reversal of 52401244 is 44210425.

It is a happy number.

52401244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935709 + ... + 935764.

Almost surely, 252401244 is an apocalyptic number.

It is an amenable number.

52401244 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.

52401244 is a wasteful number, since it uses less digits than its factorization.

52401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871484 (or 1871482 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 52401244 is about 7238.8703538605. The cubic root of 52401244 is about 374.2086875215.

Adding to 52401244 its reverse (44210425), we get a palindrome (96611669).

The spelling of 52401244 in words is "fifty-two million, four hundred one thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 1871473 3742946 7485892 13100311 26200622 52401244