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28282034 = 2111285547
BaseRepresentation
bin110101111100…
…0110010110010
31222012212122202
41223320302302
524220011114
62450103202
7462251624
oct153706262
958185582
1028282034
1114a67790
12957ab02
135b23041
143a82c14
152739cde
hex1af8cb2

28282034 has 8 divisors (see below), whose sum is σ = 46279728. Its totient is φ = 12855460.

The previous prime is 28282021. The next prime is 28282043. The reversal of 28282034 is 43028282.

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

It is a junction number, because it is equal to n+sod(n) for n = 28281988 and 28282006.

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, 642752 + ... + 642795.

It is an arithmetic number, because the mean of its divisors is an integer number (5784966).

Almost surely, 228282034 is an apocalyptic number.

28282034 is a deficient number, since it is larger than the sum of its proper divisors (17997694).

28282034 is a wasteful number, since it uses less digits than its factorization.

28282034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285560.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28282034 is about 5318.0855577924. The cubic root of 28282034 is about 304.6750422380.

The spelling of 28282034 in words is "twenty-eight million, two hundred eighty-two thousand, thirty-four".

Divisors: 1 2 11 22 1285547 2571094 14141017 28282034