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4878420 = 223581307
BaseRepresentation
bin10010100111000001010100
3100011211221020
4102213001110
52222102140
6252321140
756315541
oct22470124
910154836
104878420
112832258
1217731b0
13101a651
1490dbc8
156656d0
hex4a7054

4878420 has 24 divisors (see below), whose sum is σ = 13659744. Its totient is φ = 1300896.

The previous prime is 4878397. The next prime is 4878431. The reversal of 4878420 is 248784.

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, 40594 + ... + 40713.

It is an arithmetic number, because the mean of its divisors is an integer number (569156).

Almost surely, 24878420 is an apocalyptic number.

It is an amenable number.

4878420 is an abundant number, since it is smaller than the sum of its proper divisors (8781324).

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

4878420 is a wasteful number, since it uses less digits than its factorization.

4878420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81319 (or 81317 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4878420 is about 2208.7145582895. The cubic root of 4878420 is about 169.6002139697.

The spelling of 4878420 in words is "four million, eight hundred seventy-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 81307 162614 243921 325228 406535 487842 813070 975684 1219605 1626140 2439210 4878420