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83199895 = 525764747
BaseRepresentation
bin1001111010110…
…00011110010111
312210112222210121
410331120132113
5132244344040
612131132411
72030121202
oct475303627
9183488717
1083199895
1142a67349
1223a44107
1314310a0c
14b09a939
157486c4a
hex4f58797

83199895 has 8 divisors (see below), whose sum is σ = 100229904. Its totient is φ = 66299904.

The previous prime is 83199889. The next prime is 83199923. The reversal of 83199895 is 59899138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83199895 - 217 = 83068823 is a prime.

It is a super-2 number, since 2×831998952 = 13844445056022050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31089 + ... + 33658.

It is an arithmetic number, because the mean of its divisors is an integer number (12528738).

Almost surely, 283199895 is an apocalyptic number.

83199895 is a deficient number, since it is larger than the sum of its proper divisors (17030009).

83199895 is a wasteful number, since it uses less digits than its factorization.

83199895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65009.

The product of its digits is 699840, while the sum is 52.

The square root of 83199895 is about 9121.3976450980. The cubic root of 83199895 is about 436.5569695765.

The spelling of 83199895 in words is "eighty-three million, one hundred ninety-nine thousand, eight hundred ninety-five".

Divisors: 1 5 257 1285 64747 323735 16639979 83199895