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52990044 = 2235038779
BaseRepresentation
bin1100101000100…
…1000001011100
310200201011200020
43022021001130
5102031140134
65131432140
71212256632
oct312110134
9120634606
1052990044
1127a03228
12158b5650
13ac94373
147075352
1549bab49
hex328905c

52990044 has 24 divisors (see below), whose sum is σ = 123903360. Its totient is φ = 17626224.

The previous prime is 52990027. The next prime is 52990079. The reversal of 52990044 is 44009925.

It is a junction number, because it is equal to n+sod(n) for n = 52989987 and 52990014.

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, 1647 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (5162640).

Almost surely, 252990044 is an apocalyptic number.

It is an amenable number.

52990044 is an abundant number, since it is smaller than the sum of its proper divisors (70913316).

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

52990044 is a wasteful number, since it uses less digits than its factorization.

52990044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289 (or 9287 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 52990044 is about 7279.4260762783. The cubic root of 52990044 is about 375.6050534580.

Adding to 52990044 its reverse (44009925), we get a palindrome (96999969).

The spelling of 52990044 in words is "fifty-two million, nine hundred ninety thousand, forty-four".

Divisors: 1 2 3 4 6 12 503 1006 1509 2012 3018 6036 8779 17558 26337 35116 52674 105348 4415837 8831674 13247511 17663348 26495022 52990044