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28265074 = 214132537
BaseRepresentation
bin110101111010…
…0101001110010
31222012000101121
41223310221302
524213440244
62445452454
7462151315
oct153645162
958160347
1028265074
1114a55a72
12957112a
135b183c6
143a7a97c
152734c84
hex1af4a72

28265074 has 4 divisors (see below), whose sum is σ = 42397614. Its totient is φ = 14132536.

The previous prime is 28265057. The next prime is 28265093. The reversal of 28265074 is 47056282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 2913849 = 5035^2 + 1707^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066267 + ... + 7066270.

Almost surely, 228265074 is an apocalyptic number.

28265074 is a deficient number, since it is larger than the sum of its proper divisors (14132540).

28265074 is a wasteful number, since it uses less digits than its factorization.

28265074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132539.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 28265074 is about 5316.4907598904. The cubic root of 28265074 is about 304.6141281614.

It can be divided in two parts, 282 and 65074, that added together give a palindrome (65356).

The spelling of 28265074 in words is "twenty-eight million, two hundred sixty-five thousand, seventy-four".

Divisors: 1 2 14132537 28265074