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3007980 = 2232517983
BaseRepresentation
bin1011011110010111101100
312122211011200
423132113230
51232223410
6144245500
734365423
oct13362754
95584150
103007980
111774a38
121010890
13814191
145842ba
153e63c0
hex2de5ec

3007980 has 72 divisors (see below), whose sum is σ = 9670752. Its totient is φ = 754176.

The previous prime is 3007973. The next prime is 3007981. The reversal of 3007980 is 897003.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3007981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2569 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

Almost surely, 23007980 is an apocalyptic number.

3007980 is a gapful number since it is divisible by the number (30) 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 3007980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835376).

3007980 is an abundant number, since it is smaller than the sum of its proper divisors (6662772).

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

3007980 is a wasteful number, since it uses less digits than its factorization.

3007980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 3007980 is about 1734.3529052647. The cubic root of 3007980 is about 144.3527232734.

The spelling of 3007980 in words is "three million, seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 983 1020 1530 1966 2949 3060 3932 4915 5898 8847 9830 11796 14745 16711 17694 19660 29490 33422 35388 44235 50133 58980 66844 83555 88470 100266 150399 167110 176940 200532 250665 300798 334220 501330 601596 751995 1002660 1503990 3007980