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249100228 = 22134790389
BaseRepresentation
bin11101101100011…
…11011111000100
3122100201121021101
432312033133010
51002232201403
640415025444
76113213506
oct1666173704
9570647241
10249100228
11118679763
126b50b284
133c7b8cb0
1425123d76
1516d0771d
hexed8f7c4

249100228 has 12 divisors (see below), whose sum is σ = 469458220. Its totient is φ = 114969312.

The previous prime is 249100199. The next prime is 249100237. The reversal of 249100228 is 822001942.

It can be written as a sum of positive squares in 2 ways, for example, as 87759424 + 161340804 = 9368^2 + 12702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249100196 and 249100205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395143 + ... + 2395246.

Almost surely, 2249100228 is an apocalyptic number.

It is an amenable number.

249100228 is a deficient number, since it is larger than the sum of its proper divisors (220357992).

249100228 is a wasteful number, since it uses less digits than its factorization.

249100228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790406 (or 4790404 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 249100228 is about 15782.9093642459. The cubic root of 249100228 is about 629.2038553246.

The spelling of 249100228 in words is "two hundred forty-nine million, one hundred thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 4790389 9580778 19161556 62275057 124550114 249100228