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232168480 = 2551451053
BaseRepresentation
bin11011101011010…
…01110000100000
3121011212101021121
431311221300200
5433413342410
635012102024
75516254015
oct1565516040
9534771247
10232168480
1110a064685
1265904914
133913b2cb
1422b9770c
15155b09da
hexdd69c20

232168480 has 24 divisors (see below), whose sum is σ = 548498412. Its totient is φ = 92867328.

The previous prime is 232168459. The next prime is 232168483. The reversal of 232168480 is 84861232.

It can be written as a sum of positive squares in 2 ways, for example, as 215619856 + 16548624 = 14684^2 + 4068^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (232168483) 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, 725367 + ... + 725686.

Almost surely, 2232168480 is an apocalyptic number.

232168480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232168480 is an abundant number, since it is smaller than the sum of its proper divisors (316329932).

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

232168480 is a wasteful number, since it uses less digits than its factorization.

232168480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451068 (or 1451060 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 232168480 is about 15237.0758349494. The cubic root of 232168480 is about 614.6120716569.

The spelling of 232168480 in words is "two hundred thirty-two million, one hundred sixty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1451053 2902106 5804212 7255265 11608424 14510530 23216848 29021060 46433696 58042120 116084240 232168480