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28914674 = 214457337
BaseRepresentation
bin110111001001…
…1001111110010
32000102000110212
41232103033302
524400232144
62511424122
7500525225
oct156231762
960360425
1028914674
111535a028
129825042
135cb4c99
143ba95bc
15281249e
hex1b933f2

28914674 has 4 divisors (see below), whose sum is σ = 43372014. Its totient is φ = 14457336.

The previous prime is 28914673. The next prime is 28914689. The reversal of 28914674 is 47641982.

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., 21390625 + 7524049 = 4625^2 + 2743^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28914673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228667 + ... + 7228670.

Almost surely, 228914674 is an apocalyptic number.

28914674 is a deficient number, since it is larger than the sum of its proper divisors (14457340).

28914674 is a wasteful number, since it uses less digits than its factorization.

28914674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457339.

The product of its digits is 96768, while the sum is 41.

The square root of 28914674 is about 5377.2366509202. The cubic root of 28914674 is about 306.9300664410.

The spelling of 28914674 in words is "twenty-eight million, nine hundred fourteen thousand, six hundred seventy-four".

Divisors: 1 2 14457337 28914674