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28627406 = 215119473
BaseRepresentation
bin110110100110…
…1000111001110
31222212102102022
41231031013032
524312034111
62501330142
7465220553
oct155150716
958772368
1028627406
1115183215
129706952
135c142c2
143b32a2a
1527a72db
hex1b4d1ce

28627406 has 8 divisors (see below), whose sum is σ = 42974064. Its totient is φ = 14302720.

The previous prime is 28627399. The next prime is 28627411. The reversal of 28627406 is 60472682.

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

It is a congruent number.

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, 1715 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (5371758).

Almost surely, 228627406 is an apocalyptic number.

28627406 is a deficient number, since it is larger than the sum of its proper divisors (14346658).

28627406 is a wasteful number, since it uses less digits than its factorization.

28627406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28627406 is about 5350.4584850272. The cubic root of 28627406 is about 305.9102289814.

The spelling of 28627406 in words is "twenty-eight million, six hundred twenty-seven thousand, four hundred six".

Divisors: 1 2 1511 3022 9473 18946 14313703 28627406