Search a number
-
+
53313969 = 323974357
BaseRepresentation
bin1100101101100…
…0000110110001
310201022122000110
43023120012301
5102122021334
65142411533
71215106212
oct313300661
9121278013
1053313969
1128104635
1215a30ba9
13b078937
14711b409
154a31ae9
hex32d81b1

53313969 has 8 divisors (see below), whose sum is σ = 71383680. Its totient is φ = 35393456.

The previous prime is 53313959. The next prime is 53314007. The reversal of 53313969 is 96931335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53313969 is a prime.

It is a super-2 number, since 2×533139692 = 5684758581065922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53313959) 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, 36462 + ... + 37895.

It is an arithmetic number, because the mean of its divisors is an integer number (8922960).

Almost surely, 253313969 is an apocalyptic number.

It is an amenable number.

53313969 is a deficient number, since it is larger than the sum of its proper divisors (18069711).

53313969 is a wasteful number, since it uses less digits than its factorization.

53313969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74599.

The product of its digits is 65610, while the sum is 39.

The square root of 53313969 is about 7301.6415277662. The cubic root of 53313969 is about 376.3688496994.

The spelling of 53313969 in words is "fifty-three million, three hundred thirteen thousand, nine hundred sixty-nine".

Divisors: 1 3 239 717 74357 223071 17771323 53313969