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8042997 = 32680999
BaseRepresentation
bin11110101011100111110101
3120010121220210
4132223213311
54024333442
6444220033
7125235654
oct36534765
916117823
108042997
1145a3906
12283a619
131887b91
1410d519b
15a8d19c
hex7ab9f5

8042997 has 4 divisors (see below), whose sum is σ = 10724000. Its totient is φ = 5361996.

The previous prime is 8042977. The next prime is 8043017. The reversal of 8042997 is 7992408.

8042997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (8042977) and next prime (8043017).

It is a de Polignac number, because none of the positive numbers 2k-8042997 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042917) 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, 1340497 + ... + 1340502.

It is an arithmetic number, because the mean of its divisors is an integer number (2681000).

Almost surely, 28042997 is an apocalyptic number.

It is an amenable number.

8042997 is a deficient number, since it is larger than the sum of its proper divisors (2681003).

8042997 is a wasteful number, since it uses less digits than its factorization.

8042997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681002.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 8042997 is about 2836.0178067142. The cubic root of 8042997 is about 200.3576683189.

The spelling of 8042997 in words is "eight million, forty-two thousand, nine hundred ninety-seven".

Divisors: 1 3 2680999 8042997