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14981230 = 2511136193
BaseRepresentation
bin111001001001…
…100001101110
31001012010101101
4321021201232
512313344410
61253033314
7241224025
oct71114156
931163341
1014981230
118502690
12502583a
133146c44
141dbd8bc
1514add3a
hexe4986e

14981230 has 16 divisors (see below), whose sum is σ = 29417904. Its totient is φ = 5447680.

The previous prime is 14981227. The next prime is 14981231. The reversal of 14981230 is 3218941.

It is a happy number.

14981230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14981231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67987 + ... + 68206.

It is an arithmetic number, because the mean of its divisors is an integer number (1838619).

Almost surely, 214981230 is an apocalyptic number.

14981230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14981230 is a deficient number, since it is larger than the sum of its proper divisors (14436674).

14981230 is a wasteful number, since it uses less digits than its factorization.

14981230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136211.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14981230 is about 3870.5593910958. The cubic root of 14981230 is about 246.5182960498.

The spelling of 14981230 in words is "fourteen million, nine hundred eighty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 136193 272386 680965 1361930 1498123 2996246 7490615 14981230