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8038049 = 28328403
BaseRepresentation
bin11110101010011010100001
3120010101010112
4132222122201
54024204144
6444141105
7125215355
oct36523241
916111115
108038049
1145a0118
122837795
131885856
1410d3465
15a8b99e
hex7aa6a1

8038049 has 4 divisors (see below), whose sum is σ = 8066736. Its totient is φ = 8009364.

The previous prime is 8038027. The next prime is 8038061. The reversal of 8038049 is 9408308.

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 a cyclic number.

It is not a de Polignac number, because 8038049 - 28 = 8037793 is a prime.

It is a super-2 number, since 2×80380492 = 129220463452802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8038649) 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, 13919 + ... + 14484.

It is an arithmetic number, because the mean of its divisors is an integer number (2016684).

Almost surely, 28038049 is an apocalyptic number.

It is an amenable number.

8038049 is a deficient number, since it is larger than the sum of its proper divisors (28687).

8038049 is a wasteful number, since it uses less digits than its factorization.

8038049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28686.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8038049 is about 2835.1453225540. The cubic root of 8038049 is about 200.3165736413.

The spelling of 8038049 in words is "eight million, thirty-eight thousand, forty-nine".

Divisors: 1 283 28403 8038049