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120531868 = 22231737573
BaseRepresentation
bin1110010111100…
…10101110011100
322101210122122021
413023302232130
5221324004433
615543225524
72662334602
oct713625634
9271718567
10120531868
1162045416
12344482a4
131bc82042
1412017872
15a8ad22d
hex72f2b9c

120531868 has 24 divisors (see below), whose sum is σ = 221403168. Its totient is φ = 57304896.

The previous prime is 120531847. The next prime is 120531871. The reversal of 120531868 is 868135021.

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, 12130 + ... + 19702.

It is an arithmetic number, because the mean of its divisors is an integer number (9225132).

Almost surely, 2120531868 is an apocalyptic number.

It is an amenable number.

120531868 is a deficient number, since it is larger than the sum of its proper divisors (100871300).

120531868 is a wasteful number, since it uses less digits than its factorization.

120531868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 120531868 is about 10978.7006517165. The cubic root of 120531868 is about 493.9700627118.

Adding to 120531868 its reverse (868135021), we get a palindrome (988666889).

The spelling of 120531868 in words is "one hundred twenty million, five hundred thirty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 23 46 92 173 346 692 3979 7573 7958 15146 15916 30292 174179 348358 696716 1310129 2620258 5240516 30132967 60265934 120531868