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244020228 = 223151134669
BaseRepresentation
bin11101000101101…
…11010000000100
3122000011111211020
432202313100010
5444432121403
640114111140
76022065144
oct1642672004
9560144736
10244020228
1111581a011
126987b4b0
133b72a98a
14245a0924
1516652453
hexe8b7404

244020228 has 24 divisors (see below), whose sum is σ = 573155520. Its totient is φ = 80800800.

The previous prime is 244020221. The next prime is 244020229. The reversal of 244020228 is 822020442.

It is a junction number, because it is equal to n+sod(n) for n = 244020198 and 244020207.

It is not an unprimeable number, because it can be changed into a prime (244020221) 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, 65523 + ... + 69146.

It is an arithmetic number, because the mean of its divisors is an integer number (23881480).

Almost surely, 2244020228 is an apocalyptic number.

It is an amenable number.

244020228 is an abundant number, since it is smaller than the sum of its proper divisors (329135292).

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

244020228 is a wasteful number, since it uses less digits than its factorization.

244020228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134827 (or 134825 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 244020228 is about 15621.1468208963. The cubic root of 244020228 is about 624.8972443336.

The spelling of 244020228 in words is "two hundred forty-four million, twenty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 134669 269338 404007 538676 808014 1616028 20335019 40670038 61005057 81340076 122010114 244020228