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396124980 = 223513947497
BaseRepresentation
bin10111100111000…
…110001100110100
31000121101020022120
4113213012030310
51302401444410
6103150155540
712550002216
oct2747061464
91017336276
10396124980
11193669619
12b07b2bb0
13640b58a4
143a8765b6
1524b9a570
hex179c6334

396124980 has 48 divisors (see below), whose sum is σ = 1117152960. Its totient is φ = 104871168.

The previous prime is 396124979. The next prime is 396125017. The reversal of 396124980 is 89421693.

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, 15409 + ... + 32088.

It is an arithmetic number, because the mean of its divisors is an integer number (23274020).

Almost surely, 2396124980 is an apocalyptic number.

396124980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396124980 is an abundant number, since it is smaller than the sum of its proper divisors (721027980).

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

396124980 is a wasteful number, since it uses less digits than its factorization.

396124980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47648 (or 47646 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 396124980 is about 19902.8887350555. Note that the first 3 decimals coincide. The cubic root of 396124980 is about 734.4192923459.

The spelling of 396124980 in words is "three hundred ninety-six million, one hundred twenty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 47497 94994 142491 189988 237485 284982 474970 569964 712455 949940 1424910 2849820 6602083 13204166 19806249 26408332 33010415 39612498 66020830 79224996 99031245 132041660 198062490 396124980