Search a number
-
+
27998494 = 229347779
BaseRepresentation
bin110101011001…
…1100100011110
31221200110201021
41222303210132
524131422434
62440034354
7456661156
oct152634436
957613637
1027998494
1114893757
1294629ba
135a53c74
143a0b766
1526d0cb4
hex1ab391e

27998494 has 8 divisors (see below), whose sum is σ = 42141960. Its totient is φ = 13951176.

The previous prime is 27998483. The next prime is 27998519. The reversal of 27998494 is 49489972.

It is a happy number.

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

It is a congruent number.

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, 23304 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (5267745).

Almost surely, 227998494 is an apocalyptic number.

27998494 is a deficient number, since it is larger than the sum of its proper divisors (14143466).

27998494 is a wasteful number, since it uses less digits than its factorization.

27998494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48074.

The product of its digits is 1306368, while the sum is 52.

The square root of 27998494 is about 5291.3603165916. The cubic root of 27998494 is about 303.6534529197.

The spelling of 27998494 in words is "twenty-seven million, nine hundred ninety-eight thousand, four hundred ninety-four".

Divisors: 1 2 293 586 47779 95558 13999247 27998494