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100231340 = 22511455597
BaseRepresentation
bin1011111100101…
…10100010101100
320222121021112212
411332112202230
5201124400330
613540145552
72324644436
oct576264254
9228537485
10100231340
115163a320
12296982b8
13179c4bb1
14d451656
158bed295
hex5f968ac

100231340 has 24 divisors (see below), whose sum is σ = 229621392. Its totient is φ = 36447680.

The previous prime is 100231331. The next prime is 100231349. The reversal of 100231340 is 43132001.

It is an interprime number because it is at equal distance from previous prime (100231331) and next prime (100231349).

It is not an unprimeable number, because it can be changed into a prime (100231349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227579 + ... + 228018.

It is an arithmetic number, because the mean of its divisors is an integer number (9567558).

Almost surely, 2100231340 is an apocalyptic number.

100231340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231340 is an abundant number, since it is smaller than the sum of its proper divisors (129390052).

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

100231340 is a wasteful number, since it uses less digits than its factorization.

100231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455617 (or 455615 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100231340 is about 10011.5603179524. The cubic root of 100231340 is about 464.5165360919.

Adding to 100231340 its reverse (43132001), we get a palindrome (143363341).

The spelling of 100231340 in words is "one hundred million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 455597 911194 1822388 2277985 4555970 5011567 9111940 10023134 20046268 25057835 50115670 100231340