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100232240 = 2451252903
BaseRepresentation
bin1011111100101…
…10110000110000
320222121022210012
411332112300300
5201124412430
613540154052
72324650163
oct576266060
9228538705
10100232240
115163aa69
1229698928
13179c5424
14d451ada
158bed695
hex5f96c30

100232240 has 20 divisors (see below), whose sum is σ = 233040144. Its totient is φ = 40092864.

The previous prime is 100232233. The next prime is 100232257. The reversal of 100232240 is 42232001.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626372 + ... + 626531.

Almost surely, 2100232240 is an apocalyptic number.

100232240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100232240 is an abundant number, since it is smaller than the sum of its proper divisors (132807904).

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

100232240 is a wasteful number, since it uses less digits than its factorization.

100232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252916 (or 1252910 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 100232240 is about 10011.6052658902. The cubic root of 100232240 is about 464.5179264209.

Adding to 100232240 its reverse (42232001), we get a palindrome (142464241).

The spelling of 100232240 in words is "one hundred million, two hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1252903 2505806 5011612 6264515 10023224 12529030 20046448 25058060 50116120 100232240