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83126395 = 5112137399
BaseRepresentation
bin1001111010001…
…10100001111011
312210102020222101
410331012201323
5132240021040
612125404231
72026364002
oct475064173
9183366871
1083126395
1142a17100
1223a09677
13142b6421
14b07bc39
15747009a
hex4f4687b

83126395 has 12 divisors (see below), whose sum is σ = 109645200. Its totient is φ = 60455120.

The previous prime is 83126377. The next prime is 83126399. The reversal of 83126395 is 59362138.

It is not a de Polignac number, because 83126395 - 25 = 83126363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83126399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68095 + ... + 69304.

It is an arithmetic number, because the mean of its divisors is an integer number (9137100).

Almost surely, 283126395 is an apocalyptic number.

83126395 is a deficient number, since it is larger than the sum of its proper divisors (26518805).

83126395 is a wasteful number, since it uses less digits than its factorization.

83126395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137426 (or 137415 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 83126395 is about 9117.3677670696. The cubic root of 83126395 is about 436.4283781058.

It can be divided in two parts, 83126 and 395, that added together give a 4-th power (83521 = 174).

The spelling of 83126395 in words is "eighty-three million, one hundred twenty-six thousand, three hundred ninety-five".

Divisors: 1 5 11 55 121 605 137399 686995 1511389 7556945 16625279 83126395