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52421044 = 22131576421
BaseRepresentation
bin1100011111111…
…0000110110100
310122122021011011
43013332012310
5101404433134
65111322004
71204400014
oct307760664
9118567134
1052421044
1127654785
1215680304
13ab25390
146d67c44
154907264
hex31fe1b4

52421044 has 24 divisors (see below), whose sum is σ = 99438248. Its totient is φ = 24036480.

The previous prime is 52421029. The next prime is 52421053. The reversal of 52421044 is 44012425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32400 + 52388644 = 180^2 + 7238^2 .

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, 4954 + ... + 11374.

Almost surely, 252421044 is an apocalyptic number.

It is an amenable number.

52421044 is a deficient number, since it is larger than the sum of its proper divisors (47017204).

52421044 is a wasteful number, since it uses less digits than its factorization.

52421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595 (or 6593 counting only the distinct ones).

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

The square root of 52421044 is about 7240.2378413972. The cubic root of 52421044 is about 374.2558136228.

Adding to 52421044 its reverse (44012425), we get a palindrome (96433469).

The spelling of 52421044 in words is "fifty-two million, four hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 13 26 52 157 314 628 2041 4082 6421 8164 12842 25684 83473 166946 333892 1008097 2016194 4032388 13105261 26210522 52421044