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7316980 = 2251179421
BaseRepresentation
bin11011111010010111110100
3111202202000021
4123322113310
53333120410
6420454524
7116123206
oct33722764
914682007
107316980
1141483a0
12254a444
131692598
14d86776
15997eda
hex6fa5f4

7316980 has 48 divisors (see below), whose sum is σ = 17015040. Its totient is φ = 2620800.

The previous prime is 7316977. The next prime is 7317029. The reversal of 7316980 is 896137.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17170 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (354480).

Almost surely, 27316980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7316980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8507520).

7316980 is an abundant number, since it is smaller than the sum of its proper divisors (9698060).

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

7316980 is a wasteful number, since it uses less digits than its factorization.

7316980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7316980 is about 2704.9916820575. The cubic root of 7316980 is about 194.1380319254.

The spelling of 7316980 in words is "seven million, three hundred sixteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 79 110 158 220 316 395 421 790 842 869 1580 1684 1738 2105 3476 4210 4345 4631 8420 8690 9262 17380 18524 23155 33259 46310 66518 92620 133036 166295 332590 365849 665180 731698 1463396 1829245 3658490 7316980