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11472439 = 111042949
BaseRepresentation
bin101011110000…
…111000110111
3210120212020011
4223300320313
510414104224
61045521051
7166341226
oct53607067
923525204
1011472439
116526460
123a13187
1324b8b34
141748cbd
151019394
hexaf0e37

11472439 has 4 divisors (see below), whose sum is σ = 12515400. Its totient is φ = 10429480.

The previous prime is 11472437. The next prime is 11472451. The reversal of 11472439 is 93427411.

11472439 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 11472439 - 21 = 11472437 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11472439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11472431) 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, 521464 + ... + 521485.

It is an arithmetic number, because the mean of its divisors is an integer number (3128850).

Almost surely, 211472439 is an apocalyptic number.

11472439 is a deficient number, since it is larger than the sum of its proper divisors (1042961).

11472439 is a wasteful number, since it uses less digits than its factorization.

11472439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042960.

The product of its digits is 6048, while the sum is 31.

The square root of 11472439 is about 3387.0989061437. The cubic root of 11472439 is about 225.5374083920.

It can be divided in two parts, 11472 and 439, that added together give a palindrome (11911).

The spelling of 11472439 in words is "eleven million, four hundred seventy-two thousand, four hundred thirty-nine".

Divisors: 1 11 1042949 11472439