Search a number
-
+
225232399 = 7231678377
BaseRepresentation
bin11010110110011…
…00011000001111
3120200210222202201
431123030120033
5430124414044
634203302331
75403305140
oct1533143017
9520728681
10225232399
11106157487
126351a9a7
1337880212
1421cadac7
1514b907d4
hexd6cc60f

225232399 has 16 divisors (see below), whose sum is σ = 270240768. Its totient is φ = 183534912.

The previous prime is 225232367. The next prime is 225232421. The reversal of 225232399 is 993232522.

It is a cyclic number.

It is not a de Polignac number, because 225232399 - 25 = 225232367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225232349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22699 + ... + 31075.

It is an arithmetic number, because the mean of its divisors is an integer number (16890048).

Almost surely, 2225232399 is an apocalyptic number.

225232399 is a deficient number, since it is larger than the sum of its proper divisors (45008369).

225232399 is a wasteful number, since it uses less digits than its factorization.

225232399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574.

The product of its digits is 58320, while the sum is 37.

The square root of 225232399 is about 15007.7446340215. The cubic root of 225232399 is about 608.4295345619.

The spelling of 225232399 in words is "two hundred twenty-five million, two hundred thirty-two thousand, three hundred ninety-nine".

Divisors: 1 7 23 161 167 1169 3841 8377 26887 58639 192671 1348697 1398959 9792713 32176057 225232399