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52969791 = 372522371
BaseRepresentation
bin1100101000010…
…0000100111111
310200200010220010
43022010010333
5102030013131
65131154303
71212143610
oct312040477
9120603803
1052969791
1127999a96
12158a5993
13ac88094
14706bc07
1549b4b46
hex328413f

52969791 has 8 divisors (see below), whose sum is σ = 80715904. Its totient is φ = 30268440.

The previous prime is 52969789. The next prime is 52969801. The reversal of 52969791 is 19796925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52969791 - 21 = 52969789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52969791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52969751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261165 + ... + 1261206.

It is an arithmetic number, because the mean of its divisors is an integer number (10089488).

Almost surely, 252969791 is an apocalyptic number.

52969791 is a deficient number, since it is larger than the sum of its proper divisors (27746113).

52969791 is a wasteful number, since it uses less digits than its factorization.

52969791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522381.

The product of its digits is 306180, while the sum is 48.

The square root of 52969791 is about 7278.0348309142. The cubic root of 52969791 is about 375.5571947916.

The spelling of 52969791 in words is "fifty-two million, nine hundred sixty-nine thousand, seven hundred ninety-one".

Divisors: 1 3 7 21 2522371 7567113 17656597 52969791