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120897532 = 22719227251
BaseRepresentation
bin1110011010010…
…11111111111100
322102111020020101
413031023333330
5221422210112
615555130444
72665416640
oct715137774
9272436211
10120897532
1162275118
12345a3a24
131c07c602
14120b0c20
15a931757
hex734bffc

120897532 has 24 divisors (see below), whose sum is σ = 254522240. Its totient is φ = 49086000.

The previous prime is 120897487. The next prime is 120897533. The reversal of 120897532 is 235798021.

It is a junction number, because it is equal to n+sod(n) for n = 120897491 and 120897500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120897533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113094 + ... + 114157.

Almost surely, 2120897532 is an apocalyptic number.

It is an amenable number.

120897532 is an abundant number, since it is smaller than the sum of its proper divisors (133624708).

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

120897532 is a wasteful number, since it uses less digits than its factorization.

120897532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227281 (or 227279 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 120897532 is about 10995.3413771470. The cubic root of 120897532 is about 494.4690862478.

The spelling of 120897532 in words is "one hundred twenty million, eight hundred ninety-seven thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 227251 454502 909004 1590757 3181514 4317769 6363028 8635538 17271076 30224383 60448766 120897532