[go: up one dir, main page]

Search a number
-
+
47472325 = 521898893
BaseRepresentation
bin1011010100010…
…1111011000101
310022022211210021
42311011323011
544123103300
64413255141
71114336165
oct265057305
9108284707
1047472325
112488472a
1213a944b1
139ab1a44
14643a5a5
15427ad1a
hex2d45ec5

47472325 has 6 divisors (see below), whose sum is σ = 58865714. Its totient is φ = 37977840.

The previous prime is 47472319. The next prime is 47472343. The reversal of 47472325 is 52327474.

It can be written as a sum of positive squares in 3 ways, for example, as 16990884 + 30481441 = 4122^2 + 5521^2 .

It is not a de Polignac number, because 47472325 - 27 = 47472197 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 949422 + ... + 949471.

Almost surely, 247472325 is an apocalyptic number.

It is an amenable number.

47472325 is a deficient number, since it is larger than the sum of its proper divisors (11393389).

47472325 is a wasteful number, since it uses less digits than its factorization.

47472325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898903 (or 1898898 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 47472325 is about 6890.0163279923. The cubic root of 47472325 is about 362.0874736466.

Adding to 47472325 its reverse (52327474), we get a palindrome (99799799).

The spelling of 47472325 in words is "forty-seven million, four hundred seventy-two thousand, three hundred twenty-five".

Divisors: 1 5 25 1898893 9494465 47472325