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83038423 = 137438597
BaseRepresentation
bin1001111001100…
…01000011010111
312210020210022011
410330301003113
5132224212143
612123445051
72025546346
oct474610327
9183223264
1083038423
1142966aa6
1223986787
1314285380
14b057b5d
157453e9d
hex4f310d7

83038423 has 8 divisors (see below), whose sum is σ = 89556768. Its totient is φ = 76538784.

The previous prime is 83038409. The next prime is 83038453. The reversal of 83038423 is 32483038.

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 83038423 - 25 = 83038391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83038453) 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, 5361 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (11194596).

Almost surely, 283038423 is an apocalyptic number.

83038423 is a deficient number, since it is larger than the sum of its proper divisors (6518345).

83038423 is a wasteful number, since it uses less digits than its factorization.

83038423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 83038423 is about 9112.5420712335. The cubic root of 83038423 is about 436.2743675412.

The spelling of 83038423 in words is "eighty-three million, thirty-eight thousand, four hundred twenty-three".

Divisors: 1 13 743 8597 9659 111761 6387571 83038423