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6372980 = 2251931541
BaseRepresentation
bin11000010011111001110100
3102222210002022
4120103321310
53112413410
6344332312
7105112055
oct30237164
912883068
106372980
113663129
122174098
1314219c3
14bbc72c
1585d455
hex613e74

6372980 has 48 divisors (see below), whose sum is σ = 14568960. Its totient is φ = 2332800.

The previous prime is 6372979. The next prime is 6372983. The reversal of 6372980 is 892736.

It is a super-2 number, since 2×63729802 = 81229748160800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6372980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6372983) 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, 11510 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (303520).

Almost surely, 26372980 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 6372980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7284480).

6372980 is an abundant number, since it is smaller than the sum of its proper divisors (8195980).

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

6372980 is a wasteful number, since it uses less digits than its factorization.

6372980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6372980 is about 2524.4761832903. The cubic root of 6372980 is about 185.4019020071.

The spelling of 6372980 in words is "six million, three hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 31 38 62 76 95 124 155 190 310 380 541 589 620 1082 1178 2164 2356 2705 2945 5410 5890 10279 10820 11780 16771 20558 33542 41116 51395 67084 83855 102790 167710 205580 318649 335420 637298 1274596 1593245 3186490 6372980