Search a number
-
+
1684052886 = 23280675481
BaseRepresentation
bin110010001100000…
…1001101110010110
311100100211202021010
41210120021232112
511422104143021
6435035033050
756506133115
oct14430115626
94310752233
101684052886
1179467094a
123abb9b786
1320ab84ac9
1411d933c7c
159cca3976
hex64609b96

1684052886 has 8 divisors (see below), whose sum is σ = 3368105784. Its totient is φ = 561350960.

The previous prime is 1684052873. The next prime is 1684052933. The reversal of 1684052886 is 6882504861.

It is a happy number.

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

1684052886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140337735 + ... + 140337746.

It is an arithmetic number, because the mean of its divisors is an integer number (421013223).

Almost surely, 21684052886 is an apocalyptic number.

1684052886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1684052886 is a wasteful number, since it uses less digits than its factorization.

1684052886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280675486.

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 1684052886 is about 41037.2134287892. The cubic root of 1684052886 is about 1189.7395767482.

The spelling of 1684052886 in words is "one billion, six hundred eighty-four million, fifty-two thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 280675481 561350962 842026443 1684052886