Search a number
-
+
7200228 = 223785717
BaseRepresentation
bin11011011101110111100100
3111112210212010
4123131313210
53320401403
6414154220
7115125630
oct33356744
914483763
107200228
114078702
1224b2970
1316513b9
14d55dc0
15973603
hex6ddde4

7200228 has 24 divisors (see below), whose sum is σ = 19200832. Its totient is φ = 2057184.

The previous prime is 7200227. The next prime is 7200229. The reversal of 7200228 is 8220027.

It is an interprime number because it is at equal distance from previous prime (7200227) and next prime (7200229).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (7200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42775 + ... + 42942.

Almost surely, 27200228 is an apocalyptic number.

It is an amenable number.

7200228 is an abundant number, since it is smaller than the sum of its proper divisors (12000604).

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

7200228 is a wasteful number, since it uses less digits than its factorization.

7200228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85731 (or 85729 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 7200228 is about 2683.3240579550. The cubic root of 7200228 is about 193.0999151550.

The spelling of 7200228 in words is "seven million, two hundred thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 85717 171434 257151 342868 514302 600019 1028604 1200038 1800057 2400076 3600114 7200228