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8397423 = 32933047
BaseRepresentation
bin100000000010…
…001001101111
3120210122002200
4200002021233
54122204143
6455552543
7131243166
oct40021157
916718080
108397423
114816121
12298b753
1319802b8
1411883dd
15b0d1d3
hex80226f

8397423 has 6 divisors (see below), whose sum is σ = 12129624. Its totient is φ = 5598276.

The previous prime is 8397421. The next prime is 8397437. The reversal of 8397423 is 3247938.

It is not a de Polignac number, because 8397423 - 21 = 8397421 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466515 + ... + 466532.

It is an arithmetic number, because the mean of its divisors is an integer number (2021604).

Almost surely, 28397423 is an apocalyptic number.

8397423 is a deficient number, since it is larger than the sum of its proper divisors (3732201).

8397423 is a wasteful number, since it uses less digits than its factorization.

8397423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933053 (or 933050 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 8397423 is about 2897.8307403988. The cubic root of 8397423 is about 203.2584815113.

The spelling of 8397423 in words is "eight million, three hundred ninety-seven thousand, four hundred twenty-three".

Divisors: 1 3 9 933047 2799141 8397423