Search a number
-
+
1320238932 = 223110019911
BaseRepresentation
bin100111010110001…
…0011111101010100
310102000021002100020
41032230103331110
510200440121212
6335001145140
744500563045
oct11654237524
93360232306
101320238932
11618271061
1230a18b1b0
131806a308c
14c74ac8cc
157ad8bd8c
hex4eb13f54

1320238932 has 12 divisors (see below), whose sum is σ = 3080557536. Its totient is φ = 440079640.

The previous prime is 1320238903. The next prime is 1320238979. The reversal of 1320238932 is 2398320231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1320238893 and 1320238902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55009944 + ... + 55009967.

It is an arithmetic number, because the mean of its divisors is an integer number (256713128).

Almost surely, 21320238932 is an apocalyptic number.

1320238932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320238932 is an abundant number, since it is smaller than the sum of its proper divisors (1760318604).

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

1320238932 is a wasteful number, since it uses less digits than its factorization.

1320238932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110019918 (or 110019916 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1320238932 is about 36335.0922938143. The cubic root of 1320238932 is about 1097.0274931500.

The spelling of 1320238932 in words is "one billion, three hundred twenty million, two hundred thirty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 110019911 220039822 330059733 440079644 660119466 1320238932