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100229240 = 2354575483
BaseRepresentation
bin1011111100101…
…10000001111000
320222121011200002
411332112001320
5201124313430
613540132132
72324635346
oct576260170
9228534602
10100229240
1151638791
1229697048
13179c3c57
14d450996
158bec845
hex5f96078

100229240 has 32 divisors (see below), whose sum is σ = 226050480. Its totient is φ = 39996672.

The previous prime is 100229221. The next prime is 100229257. The reversal of 100229240 is 42922001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15539 + ... + 21021.

Almost surely, 2100229240 is an apocalyptic number.

100229240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100229240 is an abundant number, since it is smaller than the sum of its proper divisors (125821240).

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

100229240 is a wasteful number, since it uses less digits than its factorization.

100229240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 5947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100229240 is about 10011.4554386463. The cubic root of 100229240 is about 464.5132919584.

The spelling of 100229240 in words is "one hundred million, two hundred twenty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 457 914 1828 2285 3656 4570 5483 9140 10966 18280 21932 27415 43864 54830 109660 219320 2505731 5011462 10022924 12528655 20045848 25057310 50114620 100229240