Search a number
-
+
47630613 = 315876871
BaseRepresentation
bin1011010110110…
…0100100010101
310022121212220210
42311230210111
544143134423
64420520033
71115565522
oct265544425
9108555823
1047630613
1124982648
1213b50019
139b38ac4
14647c149
1542acb93
hex2d6c915

47630613 has 4 divisors (see below), whose sum is σ = 63507488. Its totient is φ = 31753740.

The previous prime is 47630603. The next prime is 47630633. The reversal of 47630613 is 31603674.

47630613 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47630613 - 29 = 47630101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47630603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7938433 + ... + 7938438.

It is an arithmetic number, because the mean of its divisors is an integer number (15876872).

Almost surely, 247630613 is an apocalyptic number.

It is an amenable number.

47630613 is a deficient number, since it is larger than the sum of its proper divisors (15876875).

47630613 is a wasteful number, since it uses less digits than its factorization.

47630613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15876874.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 47630613 is about 6901.4935340113. The cubic root of 47630613 is about 362.4894658849.

The spelling of 47630613 in words is "forty-seven million, six hundred thirty thousand, six hundred thirteen".

Divisors: 1 3 15876871 47630613