Search a number
-
+
9292638140 = 225464631907
BaseRepresentation
bin10001010011110001…
…00110011110111100
3212222121201221001222
420221320212132330
5123012403410030
64134033252512
7446165056322
oct105170463674
925877657058
109292638140
113a394a7635
121974104138
13b512a1266
1464222dd12
15395c343e5
hex229e267bc

9292638140 has 12 divisors (see below), whose sum is σ = 19514540136. Its totient is φ = 3717055248.

The previous prime is 9292638127. The next prime is 9292638143. The reversal of 9292638140 is 418362929.

It is a junction number, because it is equal to n+sod(n) for n = 9292638091 and 9292638100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9292638143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232315934 + ... + 232315973.

It is an arithmetic number, because the mean of its divisors is an integer number (1626211678).

Almost surely, 29292638140 is an apocalyptic number.

It is an amenable number.

9292638140 is an abundant number, since it is smaller than the sum of its proper divisors (10221901996).

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

9292638140 is a wasteful number, since it uses less digits than its factorization.

9292638140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464631916 (or 464631914 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9292638140 is about 96398.3305872047. The cubic root of 9292638140 is about 2102.3886757376.

The spelling of 9292638140 in words is "nine billion, two hundred ninety-two million, six hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 464631907 929263814 1858527628 2323159535 4646319070 9292638140