Search a number
-
+
472228000 = 2553118057
BaseRepresentation
bin11100001001011…
…010000010100000
31012220120200000221
4130021122002200
51431342244000
6114505252424
714462605006
oct3411320240
91186520027
10472228000
11222618982
12112194114
1376ab026a
1446a06a76
152b6ce61a
hex1c25a0a0

472228000 has 48 divisors (see below), whose sum is σ = 1160274024. Its totient is φ = 188889600.

The previous prime is 472227997. The next prime is 472228007. The reversal of 472228000 is 822274.

It can be written as a sum of positive squares in 4 ways, for example, as 243734544 + 228493456 = 15612^2 + 15116^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (472228007) 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, 55029 + ... + 63028.

Almost surely, 2472228000 is an apocalyptic number.

472228000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472228000 is an abundant number, since it is smaller than the sum of its proper divisors (688046024).

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

472228000 is a wasteful number, since it uses less digits than its factorization.

472228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118082 (or 118064 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 472228000 is about 21730.8076242003. The cubic root of 472228000 is about 778.7246306749.

The spelling of 472228000 in words is "four hundred seventy-two million, two hundred twenty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 118057 236114 472228 590285 944456 1180570 1888912 2361140 2951425 3777824 4722280 5902850 9444560 11805700 14757125 18889120 23611400 29514250 47222800 59028500 94445600 118057000 236114000 472228000