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83125537 = 1110637109
BaseRepresentation
bin1001111010001…
…10010100100001
312210102012210121
410331012110201
5132240004122
612125400241
72026361335
oct475062441
9183365717
1083125537
1142a164a0
1223a09081
13142b5c11
14b07b7c5
15746ebc7
hex4f46521

83125537 has 8 divisors (see below), whose sum is σ = 90780480. Its totient is φ = 75486960.

The previous prime is 83125531. The next prime is 83125541. The reversal of 83125537 is 73552138.

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 83125537 - 215 = 83092769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83125531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8139 + ... + 15247.

It is an arithmetic number, because the mean of its divisors is an integer number (11347560).

Almost surely, 283125537 is an apocalyptic number.

It is an amenable number.

83125537 is a deficient number, since it is larger than the sum of its proper divisors (7654943).

83125537 is a wasteful number, since it uses less digits than its factorization.

83125537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183.

The product of its digits is 25200, while the sum is 34.

The square root of 83125537 is about 9117.3207138940. The cubic root of 83125537 is about 436.4268765497.

The spelling of 83125537 in words is "eighty-three million, one hundred twenty-five thousand, five hundred thirty-seven".

Divisors: 1 11 1063 7109 11693 78199 7556867 83125537