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83172095 = 535347123
BaseRepresentation
bin1001111010100…
…01101011111111
312210111120122222
410331101223333
5132243001340
612130355555
72026644146
oct475215377
9183446588
1083172095
1142a48476
1223a2bbbb
1314301176
14b09075d
15747d8b5
hex4f51aff

83172095 has 8 divisors (see below), whose sum is σ = 100091376. Its totient is φ = 66347776.

The previous prime is 83172053. The next prime is 83172137. The reversal of 83172095 is 59027138.

It is an interprime number because it is at equal distance from previous prime (83172053) and next prime (83172137).

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 83172095 - 28 = 83171839 is a prime.

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, 21797 + ... + 25326.

It is an arithmetic number, because the mean of its divisors is an integer number (12511422).

Almost surely, 283172095 is an apocalyptic number.

83172095 is a deficient number, since it is larger than the sum of its proper divisors (16919281).

83172095 is a wasteful number, since it uses less digits than its factorization.

83172095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47481.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 83172095 is about 9119.8736285104. The cubic root of 83172095 is about 436.5083411669.

The spelling of 83172095 in words is "eighty-three million, one hundred seventy-two thousand, ninety-five".

Divisors: 1 5 353 1765 47123 235615 16634419 83172095