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28614506 = 215791129
BaseRepresentation
bin110110100100…
…1111101101010
31222211202201112
41231021331222
524311131011
62501150322
7465135134
oct155117552
958752645
1028614506
1115174558
1296bb3a2
135c0b47b
143b2c054
1527a358b
hex1b49f6a

28614506 has 8 divisors (see below), whose sum is σ = 43195620. Its totient is φ = 14215968.

The previous prime is 28614473. The next prime is 28614517. The reversal of 28614506 is 60541682.

It can be written as a sum of positive squares in 2 ways, for example, as 28185481 + 429025 = 5309^2 + 655^2 .

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, 45251 + ... + 45878.

Almost surely, 228614506 is an apocalyptic number.

28614506 is a deficient number, since it is larger than the sum of its proper divisors (14581114).

28614506 is a wasteful number, since it uses less digits than its factorization.

28614506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91288.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28614506 is about 5349.2528450242. The cubic root of 28614506 is about 305.8642726130.

The spelling of 28614506 in words is "twenty-eight million, six hundred fourteen thousand, five hundred six".

Divisors: 1 2 157 314 91129 182258 14307253 28614506