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223000140 = 2235112961191
BaseRepresentation
bin11010100101010…
…11011001001100
3120112121120200110
431102223121030
5424042001030
634043400020
75345320116
oct1522533114
9515546613
10223000140
11104972340
1262823010
133727b15c
142188c3b6
151489e1b0
hexd4ab64c

223000140 has 192 divisors, whose sum is σ = 719953920. Its totient is φ = 51072000.

The previous prime is 223000139. The next prime is 223000159. The reversal of 223000140 is 41000322.

223000140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1167445 + ... + 1167635.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2223000140 is an apocalyptic number.

223000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359976960).

223000140 is an abundant number, since it is smaller than the sum of its proper divisors (496953780).

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

223000140 is a wasteful number, since it uses less digits than its factorization.

223000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 223000140 is about 14933.1892106141. The cubic root of 223000140 is about 606.4128263532.

Adding to 223000140 its reverse (41000322), we get a palindrome (264000462).

The spelling of 223000140 in words is "two hundred twenty-three million, one hundred forty", and thus it is an aban number.