Search a number
-
+
13752241 = 79174079
BaseRepresentation
bin110100011101…
…011110110001
3221212200112021
4310131132301
512010032431
61210431441
7224614666
oct64353661
927780467
1013752241
117843298
124732581
132b06729
141b7da6d
151319b11
hexd1d7b1

13752241 has 4 divisors (see below), whose sum is σ = 13926400. Its totient is φ = 13578084.

The previous prime is 13752227. The next prime is 13752259. The reversal of 13752241 is 14225731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13752241 - 25 = 13752209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13752041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86961 + ... + 87118.

It is an arithmetic number, because the mean of its divisors is an integer number (3481600).

Almost surely, 213752241 is an apocalyptic number.

It is an amenable number.

13752241 is a deficient number, since it is larger than the sum of its proper divisors (174159).

13752241 is an equidigital number, since it uses as much as digits as its factorization.

13752241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174158.

The product of its digits is 1680, while the sum is 25.

The square root of 13752241 is about 3708.4014076149. The cubic root of 13752241 is about 239.5840073848.

Adding to 13752241 its reverse (14225731), we get a palindrome (27977972).

The spelling of 13752241 in words is "thirteen million, seven hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 79 174079 13752241