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52169949 = 32131273511
BaseRepresentation
bin1100011100000…
…0110011011101
310122011111201100
43013000303131
5101323414244
65102103313
71202302656
oct307006335
9118144640
1052169949
11274a3067
121557ab39
13aa67cc0
146d0052d
1548a7b69
hex31c0cdd

52169949 has 24 divisors (see below), whose sum is σ = 81815552. Its totient is φ = 31842720.

The previous prime is 52169933. The next prime is 52169977. The reversal of 52169949 is 94996125.

52169949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52169949 - 24 = 52169933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52169989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13104 + ... + 16614.

Almost surely, 252169949 is an apocalyptic number.

It is an amenable number.

52169949 is a deficient number, since it is larger than the sum of its proper divisors (29645603).

52169949 is a wasteful number, since it uses less digits than its factorization.

52169949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657 (or 3654 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 52169949 is about 7222.8767814493. The cubic root of 52169949 is about 373.6572994855.

The spelling of 52169949 in words is "fifty-two million, one hundred sixty-nine thousand, nine hundred forty-nine".

Divisors: 1 3 9 13 39 117 127 381 1143 1651 3511 4953 10533 14859 31599 45643 136929 410787 445897 1337691 4013073 5796661 17389983 52169949