Search a number
-
+
1490725016 = 231116940057
BaseRepresentation
bin101100011011010…
…1010100010011000
310211220001200021122
41120312222202120
511023111200031
6403531224412
751640645034
oct13066524230
93756050248
101490725016
116a5525850
123572a8108
131a9ac5711
14101dab1c4
158ad1647b
hex58daa898

1490725016 has 16 divisors (see below), whose sum is σ = 3049210440. Its totient is φ = 677602240.

The previous prime is 1490724979. The next prime is 1490725057. The reversal of 1490725016 is 6105270941.

It is a super-2 number, since 2×14907250162 = 4444522146656400512, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 8469941 + ... + 8470116.

Almost surely, 21490725016 is an apocalyptic number.

It is an amenable number.

1490725016 is an abundant number, since it is smaller than the sum of its proper divisors (1558485424).

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

1490725016 is a wasteful number, since it uses less digits than its factorization.

1490725016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940074 (or 16940070 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1490725016 is about 38609.9082619993. The cubic root of 1490725016 is about 1142.3499836706.

Adding to 1490725016 its reverse (6105270941), we get a palindrome (7595995957).

The spelling of 1490725016 in words is "one billion, four hundred ninety million, seven hundred twenty-five thousand, sixteen".

Divisors: 1 2 4 8 11 22 44 88 16940057 33880114 67760228 135520456 186340627 372681254 745362508 1490725016