Search a number
-
+
13797974 = 213949633
BaseRepresentation
bin110100101000…
…101001010110
3221222000021002
4310220221112
512013013344
61211423302
7225165221
oct64505126
927860232
1013797974
117874693
124754b32
132b214a8
141b925b8
15132844e
hexd28a56

13797974 has 8 divisors (see below), whose sum is σ = 20846280. Its totient is φ = 6849216.

The previous prime is 13797947. The next prime is 13797977. The reversal of 13797974 is 47979731.

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 not an unprimeable number, because it can be changed into a prime (13797977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24539 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (2605785).

Almost surely, 213797974 is an apocalyptic number.

13797974 is a deficient number, since it is larger than the sum of its proper divisors (7048306).

13797974 is a wasteful number, since it uses less digits than its factorization.

13797974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49774.

The product of its digits is 333396, while the sum is 47.

The square root of 13797974 is about 3714.5624237587. The cubic root of 13797974 is about 239.8492919567.

The spelling of 13797974 in words is "thirteen million, seven hundred ninety-seven thousand, nine hundred seventy-four".

Divisors: 1 2 139 278 49633 99266 6898987 13797974