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8472417 = 32824139
BaseRepresentation
bin100000010100…
…011101100001
3120221102222020
4200110131201
54132104132
6501332053
7132004632
oct40243541
916842866
108472417
1148674a8
122a07029
1319a8485
1411a7889
15b2552c
hex814761

8472417 has 4 divisors (see below), whose sum is σ = 11296560. Its totient is φ = 5648276.

The previous prime is 8472407. The next prime is 8472427. The reversal of 8472417 is 7142748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8472407) and next prime (8472427).

It is a cyclic number.

It is not a de Polignac number, because 8472417 - 214 = 8456033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8472407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412067 + ... + 1412072.

It is an arithmetic number, because the mean of its divisors is an integer number (2824140).

Almost surely, 28472417 is an apocalyptic number.

It is an amenable number.

8472417 is a deficient number, since it is larger than the sum of its proper divisors (2824143).

8472417 is a wasteful number, since it uses less digits than its factorization.

8472417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824142.

The product of its digits is 12544, while the sum is 33.

The square root of 8472417 is about 2910.7416580659. The cubic root of 8472417 is about 203.8617623633.

The spelling of 8472417 in words is "eight million, four hundred seventy-two thousand, four hundred seventeen".

Divisors: 1 3 2824139 8472417