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2980260 = 223355519
BaseRepresentation
bin1011010111100110100100
312121102011000
423113212210
51230332020
6143513300
734221543
oct13274644
95542130
102980260
111756128
12bb8830
1380468a
1457815a
153dd090
hex2d79a4

2980260 has 48 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 794592.

The previous prime is 2980231. The next prime is 2980261. The reversal of 2980260 is 620892.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2980261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220 + ... + 3299.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

22980260 is an apocalyptic number.

2980260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2980260 is an abundant number, since it is smaller than the sum of its proper divisors (6293340).

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

2980260 is a wasteful number, since it uses less digits than its factorization.

2980260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2980260 is about 1726.3429554987. The cubic root of 2980260 is about 143.9079272529.

It can be divided in two parts, 2980 and 260, that added together give a triangular number (3240 = T80).

The spelling of 2980260 in words is "two million, nine hundred eighty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 5519 11038 16557 22076 27595 33114 49671 55190 66228 82785 99342 110380 149013 165570 198684 248355 298026 331140 496710 596052 745065 993420 1490130 2980260