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2739980 = 225136999
BaseRepresentation
bin1010011100111100001100
312011012112202
422130330030
51200134410
6134421032
732201165
oct12347414
95135482
102739980
111601651
12b01778
1374c1b9
1451476c
15391ca5
hex29cf0c

2739980 has 12 divisors (see below), whose sum is σ = 5754000. Its totient is φ = 1095984.

The previous prime is 2739977. The next prime is 2739983. The reversal of 2739980 is 899372.

2739980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2739977) and next prime (2739983).

It is a d-powerful number, because it can be written as 219 + 76 + 36 + 92 + 92 + 87 + 0 .

It is not an unprimeable number, because it can be changed into a prime (2739983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68480 + ... + 68519.

It is an arithmetic number, because the mean of its divisors is an integer number (479500).

22739980 is an apocalyptic number.

2739980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2739980 is an abundant number, since it is smaller than the sum of its proper divisors (3014020).

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

2739980 is a wasteful number, since it uses less digits than its factorization.

2739980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137008 (or 137006 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2739980 is about 1655.2884944927. The cubic root of 2739980 is about 139.9315992395.

The spelling of 2739980 in words is "two million, seven hundred thirty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 136999 273998 547996 684995 1369990 2739980