Search a number
-
+
1631380796 = 22407845199
BaseRepresentation
bin110000100111100…
…1110010100111100
311012200201201201222
41201033032110330
511320113141141
6425514052512
755266336143
oct14117162474
94180651658
101631380796
117679655a1
1239641a138
131ccca23a6
1411694275a
159834c14b
hex613ce53c

1631380796 has 6 divisors (see below), whose sum is σ = 2854916400. Its totient is φ = 815690396.

The previous prime is 1631380781. The next prime is 1631380799. The reversal of 1631380796 is 6970831361.

It is a super-2 number, since 2×16313807962 = 5322806603115187232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631380799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203922596 + ... + 203922603.

It is an arithmetic number, because the mean of its divisors is an integer number (475819400).

Almost surely, 21631380796 is an apocalyptic number.

It is an amenable number.

1631380796 is a deficient number, since it is larger than the sum of its proper divisors (1223535604).

1631380796 is a wasteful number, since it uses less digits than its factorization.

1631380796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407845203 (or 407845201 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1631380796 is about 40390.3552348825. The cubic root of 1631380796 is about 1177.2041430445.

The spelling of 1631380796 in words is "one billion, six hundred thirty-one million, three hundred eighty thousand, seven hundred ninety-six".

Divisors: 1 2 4 407845199 815690398 1631380796