Search a number
-
+
331860057 = 3748914771
BaseRepresentation
bin10011110001111…
…100100001011001
3212010110020102020
4103301330201121
51134424010212
652532525053
711136523014
oct2361744131
9763406366
10331860057
11160365411
1293180789
13539a45c9
143210837b
151e203d8c
hex13c7c859

331860057 has 8 divisors (see below), whose sum is σ = 442569120. Its totient is φ = 221195520.

The previous prime is 331860049. The next prime is 331860059. The reversal of 331860057 is 750068133.

It is a happy number.

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

It is not a de Polignac number, because 331860057 - 23 = 331860049 is a prime.

It is a super-2 number, since 2×3318600572 = 220262194864086498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331860059) 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, 15082 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (55321140).

Almost surely, 2331860057 is an apocalyptic number.

It is an amenable number.

331860057 is a deficient number, since it is larger than the sum of its proper divisors (110709063).

331860057 is a wasteful number, since it uses less digits than its factorization.

331860057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22263.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 331860057 is about 18217.0265685704. The cubic root of 331860057 is about 692.3382529178.

The spelling of 331860057 in words is "three hundred thirty-one million, eight hundred sixty thousand, fifty-seven".

Divisors: 1 3 7489 14771 22467 44313 110620019 331860057