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12484520 = 2351916427
BaseRepresentation
bin101111100111…
…111110101000
3212111021112122
4233213332220
511144001040
61123330412
7211055006
oct57477650
925437478
1012484520
117057894
124220a08
1327816b9
14192da76
1511691b5
hexbe7fa8

12484520 has 32 divisors (see below), whose sum is σ = 29570400. Its totient is φ = 4730688.

The previous prime is 12484519. The next prime is 12484531. The reversal of 12484520 is 2548421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12484520.

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, 7454 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (924075).

Almost surely, 212484520 is an apocalyptic number.

12484520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12484520 is an abundant number, since it is smaller than the sum of its proper divisors (17085880).

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

12484520 is a wasteful number, since it uses less digits than its factorization.

12484520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16457 (or 16453 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12484520 is about 3533.3440251411. The cubic root of 12484520 is about 231.9835997127.

The spelling of 12484520 in words is "twelve million, four hundred eighty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 16427 32854 65708 82135 131416 164270 312113 328540 624226 657080 1248452 1560565 2496904 3121130 6242260 12484520