Search a number
-
+
13752147 = 316328123
BaseRepresentation
bin110100011101…
…011101010011
3221212200101210
4310131131103
512010032042
61210431203
7224614503
oct64353523
927780353
1013752147
117843212
124732503
132b06686
141b7da03
151319a9c
hexd1d753

13752147 has 8 divisors (see below), whose sum is σ = 18449344. Its totient is φ = 9111528.

The previous prime is 13752113. The next prime is 13752157. The reversal of 13752147 is 74125731.

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

It is not a de Polignac number, because 13752147 - 27 = 13752019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13752157) 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, 13573 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (2306168).

Almost surely, 213752147 is an apocalyptic number.

13752147 is a deficient number, since it is larger than the sum of its proper divisors (4697197).

13752147 is a wasteful number, since it uses less digits than its factorization.

13752147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28289.

The product of its digits is 5880, while the sum is 30.

The square root of 13752147 is about 3708.3887336686. The cubic root of 13752147 is about 239.5834615114.

Adding to 13752147 its reverse (74125731), we get a palindrome (87877878).

The spelling of 13752147 in words is "thirteen million, seven hundred fifty-two thousand, one hundred forty-seven".

Divisors: 1 3 163 489 28123 84369 4584049 13752147