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223002012 = 22319978079
BaseRepresentation
bin11010100101010…
…11110110011100
3120112121200020210
431102223312130
5424042031022
634043412420
75345325432
oct1522536634
9515550223
10223002012
11104973792
1262824110
133727bc6c
142188cd52
151489ea0c
hexd4abd9c

223002012 has 24 divisors (see below), whose sum is σ = 547724800. Its totient is φ = 70421616.

The previous prime is 223002001. The next prime is 223002023. The reversal of 223002012 is 210200322.

223002012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223002001) and next prime (223002023).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488812 + ... + 489267.

Almost surely, 2223002012 is an apocalyptic number.

It is an amenable number.

223002012 is an abundant number, since it is smaller than the sum of its proper divisors (324722788).

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

223002012 is a wasteful number, since it uses less digits than its factorization.

223002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978105 (or 978103 counting only the distinct ones).

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

The square root of 223002012 is about 14933.2518896589. The cubic root of 223002012 is about 606.4145232155.

Adding to 223002012 its reverse (210200322), we get a palindrome (433202334).

The spelling of 223002012 in words is "two hundred twenty-three million, two thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 978079 1956158 2934237 3912316 5868474 11736948 18583501 37167002 55750503 74334004 111501006 223002012