Search a number
-
+
47672473 = 112342451
BaseRepresentation
bin1011010111011…
…0110010011001
310022201000100011
42311312302121
544201004343
64421441521
71116131542
oct265666231
9108630304
1047672473
1124a01042
1213b702a1
139b51b84
14648d4c9
1542ba29d
hex2d76c99

47672473 has 4 divisors (see below), whose sum is σ = 47716048. Its totient is φ = 47628900.

The previous prime is 47672467. The next prime is 47672507. The reversal of 47672473 is 37427674.

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 a de Polignac number, because none of the positive numbers 2k-47672473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47672173) 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, 20103 + ... + 22348.

It is an arithmetic number, because the mean of its divisors is an integer number (11929012).

Almost surely, 247672473 is an apocalyptic number.

It is an amenable number.

47672473 is a deficient number, since it is larger than the sum of its proper divisors (43575).

47672473 is a wasteful number, since it uses less digits than its factorization.

47672473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43574.

The product of its digits is 197568, while the sum is 40.

The square root of 47672473 is about 6904.5255448872. The cubic root of 47672473 is about 362.5956256640.

The spelling of 47672473 in words is "forty-seven million, six hundred seventy-two thousand, four hundred seventy-three".

Divisors: 1 1123 42451 47672473