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52183869 = 332295387
BaseRepresentation
bin1100011100010…
…0001100111101
310122012012210220
43013010030331
5101324340434
65102251553
71202361363
oct307041475
9118165726
1052183869
1127502571
1215586bb9
13aa7143a
146d05633
1548abd49
hex31c433d

52183869 has 8 divisors (see below), whose sum is σ = 69612960. Its totient is φ = 34772016.

The previous prime is 52183867. The next prime is 52183871. The reversal of 52183869 is 96838125.

52183869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52183867) and next prime (52183871).

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

It is not a de Polignac number, because 52183869 - 21 = 52183867 is a prime.

It is a super-2 number, since 2×521838692 = 5446312367618322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 52183869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52183867) 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 7 ways as a sum of consecutive naturals, for example, 6994 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (8701620).

Almost surely, 252183869 is an apocalyptic number.

It is an amenable number.

52183869 is a deficient number, since it is larger than the sum of its proper divisors (17429091).

52183869 is a wasteful number, since it uses less digits than its factorization.

52183869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619.

The product of its digits is 103680, while the sum is 42.

The square root of 52183869 is about 7223.8403221555. The cubic root of 52183869 is about 373.6905296443.

It can be divided in two parts, 52 and 183869, that added together give a triangular number (183921 = T606).

The spelling of 52183869 in words is "fifty-two million, one hundred eighty-three thousand, eight hundred sixty-nine".

Divisors: 1 3 3229 5387 9687 16161 17394623 52183869