Search a number
-
+
8690686932 = 223724223911
BaseRepresentation
bin10000001100000000…
…10101101111010100
3211102200001122020210
420012000111233110
5120244303440212
63554211325420
7425235422454
oct100600255724
924380048223
108690686932
11375a7367a4
1218265b0870
13a86671505
145c62d9d64
1535ce7d53c
hex206015bd4

8690686932 has 12 divisors (see below), whose sum is σ = 20278269536. Its totient is φ = 2896895640.

The previous prime is 8690686889. The next prime is 8690686937. The reversal of 8690686932 is 2396860968.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8690686937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362111944 + ... + 362111967.

Almost surely, 28690686932 is an apocalyptic number.

It is an amenable number.

8690686932 is an abundant number, since it is smaller than the sum of its proper divisors (11587582604).

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

8690686932 is a wasteful number, since it uses less digits than its factorization.

8690686932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724223918 (or 724223916 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The square root of 8690686932 is about 93223.8538787150. The cubic root of 8690686932 is about 2055.9759736805.

The spelling of 8690686932 in words is "eight billion, six hundred ninety million, six hundred eighty-six thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 724223911 1448447822 2172671733 2896895644 4345343466 8690686932