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2980680 = 233559421
BaseRepresentation
bin1011010111101101001000
312121102201120
423113231020
51230340210
6143515240
734223013
oct13275510
95542646
102980680
11175647a
12bb8b20
13804921
1457837a
153dd270
hex2d7b48

2980680 has 64 divisors (see below), whose sum is σ = 9115200. Its totient is φ = 779520.

The previous prime is 2980673. The next prime is 2980687. The reversal of 2980680 is 860892.

2980680 = T232 + T233 + ... + T311.

It is an interprime number because it is at equal distance from previous prime (2980673) and next prime (2980687).

It is not an unprimeable number, because it can be changed into a prime (2980687) 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, 6870 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (142425).

22980680 is an apocalyptic number.

2980680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2980680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4557600).

2980680 is an abundant number, since it is smaller than the sum of its proper divisors (6134520).

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

2980680 is a wasteful number, since it uses less digits than its factorization.

2980680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2980680 is about 1726.4645956405. The cubic root of 2980680 is about 143.9146871206.

The spelling of 2980680 in words is "two million, nine hundred eighty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 118 120 177 236 295 354 421 472 590 708 842 885 1180 1263 1416 1684 1770 2105 2360 2526 3368 3540 4210 5052 6315 7080 8420 10104 12630 16840 24839 25260 49678 50520 74517 99356 124195 149034 198712 248390 298068 372585 496780 596136 745170 993560 1490340 2980680