Search a number
-
+
227150028 = 22337300463
BaseRepresentation
bin11011000101000…
…00100011001100
3120211102102021000
431202200203030
5431122300103
634312340300
75425512660
oct1542404314
9524372230
10227150028
111072471a6
12640a4690
13380a2001
142224c8a0
1514e1daa3
hexd8a08cc

227150028 has 48 divisors (see below), whose sum is σ = 673039360. Its totient is φ = 64899792.

The previous prime is 227150009. The next prime is 227150029. The reversal of 227150028 is 820051722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 227149983 and 227150010.

It is not an unprimeable number, because it can be changed into a prime (227150029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149476 + ... + 150987.

Almost surely, 2227150028 is an apocalyptic number.

227150028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227150028 is an abundant number, since it is smaller than the sum of its proper divisors (445889332).

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

227150028 is a wasteful number, since it uses less digits than its factorization.

227150028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300483 (or 300475 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 227150028 is about 15071.4972049893. The cubic root of 227150028 is about 610.1513805072.

The spelling of 227150028 in words is "two hundred twenty-seven million, one hundred fifty thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 300463 600926 901389 1201852 1802778 2103241 2704167 3605556 4206482 5408334 6309723 8112501 8412964 10816668 12619446 16225002 18929169 25238892 32450004 37858338 56787507 75716676 113575014 227150028