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2727980 = 225136399
BaseRepresentation
bin1010011010000000101100
312010121002022
422122000230
51144243410
6134245312
732121203
oct12320054
95117068
102727980
1115a3632
12ab6838
137468b8
1451023a
1538d455
hex29a02c

2727980 has 12 divisors (see below), whose sum is σ = 5728800. Its totient is φ = 1091184.

The previous prime is 2727979. The next prime is 2727997. The reversal of 2727980 is 897272.

It is a self number, because there is not a number n which added to its sum of digits gives 2727980.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68180 + ... + 68219.

It is an arithmetic number, because the mean of its divisors is an integer number (477400).

22727980 is an apocalyptic number.

2727980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2727980 is an abundant number, since it is smaller than the sum of its proper divisors (3000820).

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

2727980 is a wasteful number, since it uses less digits than its factorization.

2727980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136408 (or 136406 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2727980 is about 1651.6597712604. The cubic root of 2727980 is about 139.7270190908.

The spelling of 2727980 in words is "two million, seven hundred twenty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 136399 272798 545596 681995 1363990 2727980