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2741980 = 225472917
BaseRepresentation
bin1010011101011011011100
312011022021211
422131123130
51200220410
6134434204
732210053
oct12353334
95138254
102741980
1116030aa
12b02964
13750097
1451539a
1539268a
hex29d6dc

2741980 has 24 divisors (see below), whose sum is σ = 5882688. Its totient is φ = 1073088.

The previous prime is 2741971. The next prime is 2741989. The reversal of 2741980 is 891472.

It is an interprime number because it is at equal distance from previous prime (2741971) and next prime (2741989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741989) 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 7 ways as a sum of consecutive naturals, for example, 519 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (245112).

22741980 is an apocalyptic number.

2741980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2741980 is an abundant number, since it is smaller than the sum of its proper divisors (3140708).

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

2741980 is a wasteful number, since it uses less digits than its factorization.

2741980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2741980 is about 1655.8925085886. The cubic root of 2741980 is about 139.9656378252.

It can be divided in two parts, 2741 and 980, that added together give a square (3721 = 612).

The spelling of 2741980 in words is "two million, seven hundred forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2917 5834 11668 14585 29170 58340 137099 274198 548396 685495 1370990 2741980