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83082495 = 3512894297
BaseRepresentation
bin1001111001110…
…11110011111111
312210100000202110
410330323303333
5132232114440
612124425103
72026122006
oct474736377
9183300673
1083082495
1142997121
12239a8193
131429c452
14b069c3d
157462080
hex4f3bcff

83082495 has 16 divisors (see below), whose sum is σ = 133066080. Its totient is φ = 44265984.

The previous prime is 83082481. The next prime is 83082529. The reversal of 83082495 is 59428038.

It is a happy number.

83082495 is a nontrivial binomial coefficient, being equal to C(12891, 2).

It is not a de Polignac number, because 83082495 - 212 = 83078399 is a prime.

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, 17187 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (8316630).

Almost surely, 283082495 is an apocalyptic number.

83082495 is the 12890-th triangular number.

83082495 is a deficient number, since it is larger than the sum of its proper divisors (49983585).

83082495 is a wasteful number, since it uses less digits than its factorization.

83082495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 83082495 is about 9114.9599560283. The cubic root of 83082495 is about 436.3515369712.

The spelling of 83082495 in words is "eighty-three million, eighty-two thousand, four hundred ninety-five".

Divisors: 1 3 5 15 1289 3867 4297 6445 12891 19335 21485 64455 5538833 16616499 27694165 83082495