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120406452 = 22310033871
BaseRepresentation
bin1110010110101…
…00000110110100
322101120021121020
413023110012310
5221311001302
615540421140
72661303135
oct713240664
9271507536
10120406452
1161a6a171
12343a77b0
131bc39c2a
1411dc3c8c
15a885ebc
hex72d41b4

120406452 has 12 divisors (see below), whose sum is σ = 280948416. Its totient is φ = 40135480.

The previous prime is 120406441. The next prime is 120406459. The reversal of 120406452 is 254604021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120406459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5016924 + ... + 5016947.

It is an arithmetic number, because the mean of its divisors is an integer number (23412368).

Almost surely, 2120406452 is an apocalyptic number.

120406452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120406452 is an abundant number, since it is smaller than the sum of its proper divisors (160541964).

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

120406452 is a wasteful number, since it uses less digits than its factorization.

120406452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033878 (or 10033876 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 120406452 is about 10972.9873781026. The cubic root of 120406452 is about 493.7986744302.

The spelling of 120406452 in words is "one hundred twenty million, four hundred six thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 10033871 20067742 30101613 40135484 60203226 120406452