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223014144 = 283290383
BaseRepresentation
bin11010100101011…
…10110100000000
3120112122021220010
431102232310000
5424042423034
634043544520
75345406003
oct1522566400
9515567803
10223014144
11104981911
126282b140
1337284642
142189353a
15148a33e9
hexd4aed00

223014144 has 36 divisors (see below), whose sum is σ = 593544896. Its totient is φ = 74337792.

The previous prime is 223014139. The next prime is 223014151. The reversal of 223014144 is 441410322.

It is a self number, because there is not a number n which added to its sum of digits gives 223014144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144424 + ... + 145959.

Almost surely, 2223014144 is an apocalyptic number.

223014144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223014144 is an abundant number, since it is smaller than the sum of its proper divisors (370530752).

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

223014144 is an equidigital number, since it uses as much as digits as its factorization.

223014144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290402 (or 290388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 223014144 is about 14933.6580917068. The cubic root of 223014144 is about 606.4255199588.

Adding to 223014144 its reverse (441410322), we get a palindrome (664424466).

The spelling of 223014144 in words is "two hundred twenty-three million, fourteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 290383 580766 871149 1161532 1742298 2323064 3484596 4646128 6969192 9292256 13938384 18584512 27876768 37169024 55753536 74338048 111507072 223014144