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120680924 = 22721347363
BaseRepresentation
bin1110011000101…
…11000111011100
322102002020002212
413030113013130
5221343242144
615550335552
72663525300
oct714270734
9272066085
10120680924
1162137401
12344ba5b8
131c004b40
1412055d00
15a8dc49e
hex73171dc

120680924 has 36 divisors (see below), whose sum is σ = 264575304. Its totient is φ = 47740896.

The previous prime is 120680893. The next prime is 120680927. The reversal of 120680924 is 429086021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120680927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21134 + ... + 26229.

It is an arithmetic number, because the mean of its divisors is an integer number (7349314).

Almost surely, 2120680924 is an apocalyptic number.

120680924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120680924 is an abundant number, since it is smaller than the sum of its proper divisors (143894380).

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

120680924 is a wasteful number, since it uses less digits than its factorization.

120680924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47394 (or 47385 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 120680924 is about 10985.4869714547. The cubic root of 120680924 is about 494.1736018877.

The spelling of 120680924 in words is "one hundred twenty million, six hundred eighty thousand, nine hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 47363 94726 189452 331541 615719 663082 1231438 1326164 2320787 2462876 4310033 4641574 8620066 9283148 17240132 30170231 60340462 120680924