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28738246 = 2294671061
BaseRepresentation
bin110110110100…
…0001011000110
32000002001110111
41231220023012
524324110441
62503543234
7466161655
oct155501306
960061414
1028738246
1115249519
12975ab1a
135c528a4
143b6119c
1527ca081
hex1b682c6

28738246 has 16 divisors (see below), whose sum is σ = 44731440. Its totient is φ = 13830880.

The previous prime is 28738231. The next prime is 28738261. The reversal of 28738246 is 64283782.

It is an interprime number because it is at equal distance from previous prime (28738231) and next prime (28738261).

It is a junction number, because it is equal to n+sod(n) for n = 28738199 and 28738208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26556 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (2795715).

Almost surely, 228738246 is an apocalyptic number.

28738246 is a deficient number, since it is larger than the sum of its proper divisors (15993194).

28738246 is a wasteful number, since it uses less digits than its factorization.

28738246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 129024, while the sum is 40.

The square root of 28738246 is about 5360.8064691798. The cubic root of 28738246 is about 306.3045297320.

The spelling of 28738246 in words is "twenty-eight million, seven hundred thirty-eight thousand, two hundred forty-six".

Divisors: 1 2 29 58 467 934 1061 2122 13543 27086 30769 61538 495487 990974 14369123 28738246