Search a number
-
+
11752007 = 31379097
BaseRepresentation
bin101100110101…
…001001000111
3211010001201112
4230311021013
511002031012
61055515235
7201614261
oct54651107
924101645
1011752007
1166a7503
123b28b1b
132586167
1417bcb31
151072122
hexb35247

11752007 has 4 divisors (see below), whose sum is σ = 12131136. Its totient is φ = 11372880.

The previous prime is 11752003. The next prime is 11752009. The reversal of 11752007 is 70025711.

It is a happy number.

11752007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70025711 = 710003673.

It is a cyclic number.

It is not a de Polignac number, because 11752007 - 22 = 11752003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11752003) 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, 189518 + ... + 189579.

It is an arithmetic number, because the mean of its divisors is an integer number (3032784).

Almost surely, 211752007 is an apocalyptic number.

11752007 is a deficient number, since it is larger than the sum of its proper divisors (379129).

11752007 is an equidigital number, since it uses as much as digits as its factorization.

11752007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379128.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 11752007 is about 3428.1200387384. The cubic root of 11752007 is about 227.3547404232.

Adding to 11752007 its reverse (70025711), we get a palindrome (81777718).

The spelling of 11752007 in words is "eleven million, seven hundred fifty-two thousand, seven".

Divisors: 1 31 379097 11752007