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28076262 = 2319972539
BaseRepresentation
bin110101100011…
…0100011100110
31221211102101120
41223012203212
524141420022
62441434410
7460433664
oct153064346
957742346
1028076262
1114937125
12949ba06
135a80496
143a2bc34
1526e8d5c
hex1ac68e6

28076262 has 32 divisors (see below), whose sum is σ = 59740800. Its totient is φ = 8771328.

The previous prime is 28076239. The next prime is 28076309. The reversal of 28076262 is 26267082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9789 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (1866900).

Almost surely, 228076262 is an apocalyptic number.

28076262 is an abundant number, since it is smaller than the sum of its proper divisors (31664538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28076262 is a wasteful number, since it uses less digits than its factorization.

28076262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 28076262 is about 5298.7038037618. The cubic root of 28076262 is about 303.9343334042.

The spelling of 28076262 in words is "twenty-eight million, seventy-six thousand, two hundred sixty-two".

Divisors: 1 2 3 6 19 38 57 97 114 194 291 582 1843 2539 3686 5078 5529 7617 11058 15234 48241 96482 144723 246283 289446 492566 738849 1477698 4679377 9358754 14038131 28076262