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224423140 = 22530736551
BaseRepresentation
bin11010110000001…
…10110011100100
3120122021212200011
431120012303210
5424423020030
634134100004
75363364604
oct1530066344
9518255604
10224423140
11105754477
12631aa604
1337658a76
1421b3cc04
1514a80b2a
hexd606ce4

224423140 has 24 divisors (see below), whose sum is σ = 472836672. Its totient is φ = 89474400.

The previous prime is 224423123. The next prime is 224423153. The reversal of 224423140 is 41324422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12136 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (19701528).

Almost surely, 2224423140 is an apocalyptic number.

224423140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224423140 is an abundant number, since it is smaller than the sum of its proper divisors (248413532).

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

224423140 is a wasteful number, since it uses less digits than its factorization.

224423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36867 (or 36865 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 224423140 is about 14980.7589927880. The cubic root of 224423140 is about 607.6999652197.

Adding to 224423140 its reverse (41324422), we get a palindrome (265747562).

The spelling of 224423140 in words is "two hundred twenty-four million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 6140 36551 73102 146204 182755 365510 731020 11221157 22442314 44884628 56105785 112211570 224423140