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8042663 = 23893929
BaseRepresentation
bin11110101011100010100111
3120010121110102
4132223202213
54024331123
6444214315
7125234666
oct36534247
916117412
108042663
1145a3632
12283a39b
131887995
1410d4ddd
15a8d028
hex7ab8a7

8042663 has 8 divisors (see below), whose sum is σ = 8488800. Its totient is φ = 7604608.

The previous prime is 8042659. The next prime is 8042669. The reversal of 8042663 is 3662408.

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 8042663 - 22 = 8042659 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 (8042669) 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, 83 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (1061100).

Almost surely, 28042663 is an apocalyptic number.

8042663 is a deficient number, since it is larger than the sum of its proper divisors (446137).

8042663 is a wasteful number, since it uses less digits than its factorization.

8042663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 8042663 is about 2835.9589207180. The cubic root of 8042663 is about 200.3548948756.

The spelling of 8042663 in words is "eight million, forty-two thousand, six hundred sixty-three".

Divisors: 1 23 89 2047 3929 90367 349681 8042663