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28084754 = 241342497
BaseRepresentation
bin110101100100…
…0101000010010
31221211212001002
41223020220102
524142203004
62441542002
7460500515
oct153105022
957755032
1028084754
1114942545
1294a4902
135a842c9
143a30d7c
1526eb61e
hex1ac8a12

28084754 has 8 divisors (see below), whose sum is σ = 43154748. Its totient is φ = 13699840.

The previous prime is 28084741. The next prime is 28084769. The reversal of 28084754 is 45748082.

It can be written as a sum of positive squares in 2 ways, for example, as 21949225 + 6135529 = 4685^2 + 2477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171167 + ... + 171330.

Almost surely, 228084754 is an apocalyptic number.

28084754 is a deficient number, since it is larger than the sum of its proper divisors (15069994).

28084754 is a wasteful number, since it uses less digits than its factorization.

28084754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342540.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 28084754 is about 5299.5050712307. The cubic root of 28084754 is about 303.9649731689.

The spelling of 28084754 in words is "twenty-eight million, eighty-four thousand, seven hundred fifty-four".

Divisors: 1 2 41 82 342497 684994 14042377 28084754