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28076495 = 529227853
BaseRepresentation
bin110101100011…
…0100111001111
31221211102201012
41223012213033
524141421440
62441435435
7460434446
oct153064717
957742635
1028076495
1114937317
12949bb7b
135a80615
143a2bd5d
1526e8e65
hex1ac69cf

28076495 has 16 divisors (see below), whose sum is σ = 35048160. Its totient is φ = 21565824.

The previous prime is 28076473. The next prime is 28076497. The reversal of 28076495 is 59467082.

It is a cyclic number.

It is not a de Polignac number, because 28076495 - 28 = 28076239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32489 + ... + 33341.

It is an arithmetic number, because the mean of its divisors is an integer number (2190510).

Almost surely, 228076495 is an apocalyptic number.

28076495 is a deficient number, since it is larger than the sum of its proper divisors (6971665).

28076495 is a wasteful number, since it uses less digits than its factorization.

28076495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28076495 is about 5298.7257902254. The cubic root of 28076495 is about 303.9351741679.

The spelling of 28076495 in words is "twenty-eight million, seventy-six thousand, four hundred ninety-five".

Divisors: 1 5 29 145 227 853 1135 4265 6583 24737 32915 123685 193631 968155 5615299 28076495