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12477480 = 2335103979
BaseRepresentation
bin101111100110…
…010000101000
3212110220212220
4233212100220
511143234410
61123234040
7211025331
oct57462050
925426786
1012477480
117052574
124218920
13277b432
14192b288
151167070
hexbe6428

12477480 has 32 divisors (see below), whose sum is σ = 37432800. Its totient is φ = 3327296.

The previous prime is 12477467. The next prime is 12477529. The reversal of 12477480 is 8477421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51870 + ... + 52109.

It is an arithmetic number, because the mean of its divisors is an integer number (1169775).

Almost surely, 212477480 is an apocalyptic number.

12477480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12477480 is an abundant number, since it is smaller than the sum of its proper divisors (24955320).

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

12477480 is a wasteful number, since it uses less digits than its factorization.

12477480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103993 (or 103989 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 12477480 is about 3532.3476612587. The cubic root of 12477480 is about 231.9399864589.

The spelling of 12477480 in words is "twelve million, four hundred seventy-seven thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 103979 207958 311937 415916 519895 623874 831832 1039790 1247748 1559685 2079580 2495496 3119370 4159160 6238740 12477480