Search a number
-
+
1396975684 = 2213198915887
BaseRepresentation
bin101001101000100…
…0010100001000100
310121100122201101011
41103101002201010
510330111210214
6350342012004
746422045256
oct12321024104
93540581334
101396975684
11657613565
1232ba17004
13193560040
14d3765cd6
1582998ac4
hex53442844

1396975684 has 48 divisors (see below), whose sum is σ = 2802643200. Its totient is φ = 603922176.

The previous prime is 1396975673. The next prime is 1396975687. The reversal of 1396975684 is 4865796931.

It is not an unprimeable number, because it can be changed into a prime (1396975687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79989 + ... + 95875.

It is an arithmetic number, because the mean of its divisors is an integer number (58388400).

Almost surely, 21396975684 is an apocalyptic number.

It is an amenable number.

1396975684 is an abundant number, since it is smaller than the sum of its proper divisors (1405667516).

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

1396975684 is a wasteful number, since it uses less digits than its factorization.

1396975684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012 (or 16010 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 1396975684 is about 37376.1378957216. The cubic root of 1396975684 is about 1117.8828211284.

The spelling of 1396975684 in words is "one billion, three hundred ninety-six million, nine hundred seventy-five thousand, six hundred eighty-four".

Divisors: 1 2 4 13 19 26 38 52 76 89 178 247 356 494 988 1157 1691 2314 3382 4628 6764 15887 21983 31774 43966 63548 87932 206531 301853 413062 603706 826124 1207412 1413943 2827886 3924089 5655772 7848178 15696356 18381259 26864917 36762518 53729834 73525036 107459668 349243921 698487842 1396975684