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240921132 = 22364131321
BaseRepresentation
bin11100101110000…
…10101000101100
3121210100001122220
432113002220230
5443133434012
635523435340
75653536654
oct1627025054
9553301586
10240921132
11113aa2681
1268825b50
133abb41aa
1423dd5364
151623e08c
hexe5c2a2c

240921132 has 24 divisors (see below), whose sum is σ = 563044272. Its totient is φ = 80179200.

The previous prime is 240921103. The next prime is 240921133. The reversal of 240921132 is 231129042.

240921132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2409211322 = 116085983688322848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240921133) 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 7 ways as a sum of consecutive naturals, for example, 7969 + ... + 23352.

It is an arithmetic number, because the mean of its divisors is an integer number (23460178).

Almost surely, 2240921132 is an apocalyptic number.

It is an amenable number.

240921132 is an abundant number, since it is smaller than the sum of its proper divisors (322123140).

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

240921132 is a wasteful number, since it uses less digits than its factorization.

240921132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31969 (or 31967 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 240921132 is about 15521.6343211661. The cubic root of 240921132 is about 622.2405337912.

The spelling of 240921132 in words is "two hundred forty million, nine hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 641 1282 1923 2564 3846 7692 31321 62642 93963 125284 187926 375852 20076761 40153522 60230283 80307044 120460566 240921132