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6670540 = 225595653
BaseRepresentation
bin11001011100100011001100
3110112220021001
4121130203030
53201424130
6354550044
7110461432
oct31344314
913486231
106670540
113846748
122298324
1314c7286
14c58d52
158bb6ca
hex65c8cc

6670540 has 24 divisors (see below), whose sum is σ = 14248080. Its totient is φ = 2622528.

The previous prime is 6670537. The next prime is 6670553. The reversal of 6670540 is 450766.

6670540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66705402 = 88992207783200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6670499 and 6670508.

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, 1647 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (593670).

Almost surely, 26670540 is an apocalyptic number.

It is an amenable number.

6670540 is an abundant number, since it is smaller than the sum of its proper divisors (7577540).

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

6670540 is a wasteful number, since it uses less digits than its factorization.

6670540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6670540 is about 2582.7388563306. The cubic root of 6670540 is about 188.2436481816.

The spelling of 6670540 in words is "six million, six hundred seventy thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 5653 11306 22612 28265 56530 113060 333527 667054 1334108 1667635 3335270 6670540