Search a number
-
+
225384732 = 223210161987
BaseRepresentation
bin11010110111100…
…01100100011100
3120201002201201200
431123301210130
5430144302412
634210435500
75404511226
oct1533614434
9521081650
10225384732
11106250981
1263592b90
1337904661
1421d0d416
1514bc09dc
hexd6f191c

225384732 has 36 divisors (see below), whose sum is σ = 575372616. Its totient is φ = 74383200.

The previous prime is 225384721. The next prime is 225384737. The reversal of 225384732 is 237483522.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225384737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27358 + ... + 34629.

Almost surely, 2225384732 is an apocalyptic number.

It is an amenable number.

225384732 is an abundant number, since it is smaller than the sum of its proper divisors (349987884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225384732 is a wasteful number, since it uses less digits than its factorization.

225384732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62098 (or 62093 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 225384732 is about 15012.8189225075. The cubic root of 225384732 is about 608.5666714471.

The spelling of 225384732 in words is "two hundred twenty-five million, three hundred eighty-four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 606 909 1212 1818 3636 61987 123974 185961 247948 371922 557883 743844 1115766 2231532 6260687 12521374 18782061 25042748 37564122 56346183 75128244 112692366 225384732