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28606474 = 2131100249
BaseRepresentation
bin110110100100…
…0000000001010
31222211100201001
41231020000022
524310401344
62501045214
7465102541
oct155100012
958740631
1028606474
1115169516
1296b680a
135c07910
143b29158
1527a0ed4
hex1b4800a

28606474 has 8 divisors (see below), whose sum is σ = 46210500. Its totient is φ = 13202976.

The previous prime is 28606471. The next prime is 28606477. The reversal of 28606474 is 47460682.

It is an interprime number because it is at equal distance from previous prime (28606471) and next prime (28606477).

It can be written as a sum of positive squares in 2 ways, for example, as 28164249 + 442225 = 5307^2 + 665^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28606471) 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, 550099 + ... + 550150.

Almost surely, 228606474 is an apocalyptic number.

28606474 is a deficient number, since it is larger than the sum of its proper divisors (17604026).

28606474 is a wasteful number, since it uses less digits than its factorization.

28606474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100264.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 28606474 is about 5348.5020332800. The cubic root of 28606474 is about 305.8356515617.

The spelling of 28606474 in words is "twenty-eight million, six hundred six thousand, four hundred seventy-four".

Divisors: 1 2 13 26 1100249 2200498 14303237 28606474