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2607980 = 225130399
BaseRepresentation
bin1001111100101101101100
311220111110212
421330231230
51131423410
6131521552
731111304
oct11745554
94814425
102607980
111521461
12a592b8
137040ab
144bc604
15367b05
hex27cb6c

2607980 has 12 divisors (see below), whose sum is σ = 5476800. Its totient is φ = 1043184.

The previous prime is 2607973. The next prime is 2607989. The reversal of 2607980 is 897062.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2607989) 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, 65180 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (456400).

22607980 is an apocalyptic number.

2607980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2607980 is an abundant number, since it is smaller than the sum of its proper divisors (2868820).

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

2607980 is a wasteful number, since it uses less digits than its factorization.

2607980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130408 (or 130406 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2607980 is about 1614.9241468255. The cubic root of 2607980 is about 137.6474231483.

The spelling of 2607980 in words is "two million, six hundred seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 130399 260798 521596 651995 1303990 2607980