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371680805 = 52326312289
BaseRepresentation
bin10110001001110…
…110011000100101
3221220101100012202
4112021312120211
51230122241210
6100514224245
712132143336
oct2611663045
9856340182
10371680805
11180893321
12a4585085
135c007692
143751228d
152296c9a5
hex16276625

371680805 has 16 divisors (see below), whose sum is σ = 467216640. Its totient is φ = 283312128.

The previous prime is 371680783. The next prime is 371680807. The reversal of 371680805 is 508086173.

It is a cyclic number.

It is not a de Polignac number, because 371680805 - 228 = 103245349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371680807) 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, 24101 + ... + 36389.

It is an arithmetic number, because the mean of its divisors is an integer number (29201040).

Almost surely, 2371680805 is an apocalyptic number.

It is an amenable number.

371680805 is a deficient number, since it is larger than the sum of its proper divisors (95535835).

371680805 is a wasteful number, since it uses less digits than its factorization.

371680805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12580.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 371680805 is about 19279.0250012805. The cubic root of 371680805 is about 718.9908734704.

The spelling of 371680805 in words is "three hundred seventy-one million, six hundred eighty thousand, eight hundred five".

Divisors: 1 5 23 115 263 1315 6049 12289 30245 61445 282647 1413235 3232007 16160035 74336161 371680805