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28634414 = 2109313099
BaseRepresentation
bin110110100111…
…0110100101110
31222212210000212
41231032310232
524312300124
62501422422
7465250154
oct155166456
958783025
1028634414
1115188506
12970aa12
135c17553
143b353d4
1527a940e
hex1b4ed2e

28634414 has 8 divisors (see below), whose sum is σ = 42994200. Its totient is φ = 14303016.

The previous prime is 28634413. The next prime is 28634423. The reversal of 28634414 is 41443682.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28634413) 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, 4364 + ... + 8735.

It is an arithmetic number, because the mean of its divisors is an integer number (5374275).

Almost surely, 228634414 is an apocalyptic number.

28634414 is a deficient number, since it is larger than the sum of its proper divisors (14359786).

28634414 is a wasteful number, since it uses less digits than its factorization.

28634414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194.

The product of its digits is 18432, while the sum is 32.

The square root of 28634414 is about 5351.1133420999. The cubic root of 28634414 is about 305.9351892587.

The spelling of 28634414 in words is "twenty-eight million, six hundred thirty-four thousand, four hundred fourteen".

Divisors: 1 2 1093 2186 13099 26198 14317207 28634414