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27290990 = 252729099
BaseRepresentation
bin110100000011…
…0110101101110
31220100112012102
41220012311232
523441302430
62412535102
7450653366
oct150066556
956315172
1027290990
1114450141
129181492
135866c1c
1438a59a6
1525e1345
hex1a06d6e

27290990 has 8 divisors (see below), whose sum is σ = 49123800. Its totient is φ = 10916392.

The previous prime is 27290987. The next prime is 27291007. The reversal of 27290990 is 9909272.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1364540 + ... + 1364559.

It is an arithmetic number, because the mean of its divisors is an integer number (6140475).

Almost surely, 227290990 is an apocalyptic number.

27290990 is a deficient number, since it is larger than the sum of its proper divisors (21832810).

27290990 is a wasteful number, since it uses less digits than its factorization.

27290990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729106.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 27290990 is about 5224.0779090668. The cubic root of 27290990 is about 301.0738920070.

The spelling of 27290990 in words is "twenty-seven million, two hundred ninety thousand, nine hundred ninety".

Divisors: 1 2 5 10 2729099 5458198 13645495 27290990