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28666062 = 234176951
BaseRepresentation
bin110110101011…
…0100011001110
31222221101110000
41231112203032
524314303222
62502225130
7465441345
oct155264316
958841400
1028666062
11151aa267
1297251a6
135c28a89
143b42b5c
1527b39ac
hex1b568ce

28666062 has 20 divisors (see below), whose sum is σ = 64233576. Its totient is φ = 9555300.

The previous prime is 28666031. The next prime is 28666081. The reversal of 28666062 is 26066682.

It is a super-2 number, since 2×286660622 = 1643486221175688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 88314 + ... + 88637.

Almost surely, 228666062 is an apocalyptic number.

28666062 is an abundant number, since it is smaller than the sum of its proper divisors (35567514).

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

28666062 is a wasteful number, since it uses less digits than its factorization.

28666062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176965 (or 176956 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28666062 is about 5354.0696670850. The cubic root of 28666062 is about 306.0478587198.

The spelling of 28666062 in words is "twenty-eight million, six hundred sixty-six thousand, sixty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 176951 353902 530853 1061706 1592559 3185118 4777677 9555354 14333031 28666062