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2980080 = 243254139
BaseRepresentation
bin1011010111100011110000
312121101220100
423113203300
51230330310
6143512400
734221165
oct13274360
95541810
102980080
111755a84
12bb8700
1380457c
1457806c
153dcec0
hex2d78f0

2980080 has 60 divisors (see below), whose sum is σ = 10010520. Its totient is φ = 794496.

The previous prime is 2980067. The next prime is 2980121. The reversal of 2980080 is 800892.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1350 + ... + 2789.

It is an arithmetic number, because the mean of its divisors is an integer number (166842).

22980080 is an apocalyptic number.

2980080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2980080 is an abundant number, since it is smaller than the sum of its proper divisors (7030440).

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

2980080 is a wasteful number, since it uses less digits than its factorization.

2980080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2980080 is about 1726.2908213856. The cubic root of 2980080 is about 143.9050299723.

The spelling of 2980080 in words is "two million, nine hundred eighty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 4139 8278 12417 16556 20695 24834 33112 37251 41390 49668 62085 66224 74502 82780 99336 124170 149004 165560 186255 198672 248340 298008 331120 372510 496680 596016 745020 993360 1490040 2980080