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223210140 = 22353720169
BaseRepresentation
bin11010100110111…
…10101010011100
3120120000020202020
431103132222130
5424120211030
634052100140
75350153266
oct1523365234
9516006666
10223210140
11104aa609a
1262904650
133732290a
1421904b36
15148e1510
hexd4dea9c

223210140 has 24 divisors (see below), whose sum is σ = 624988560. Its totient is φ = 59522688.

The previous prime is 223210133. The next prime is 223210171. The reversal of 223210140 is 41012322.

It is a super-3 number, since 3×2232101403 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1860025 + ... + 1860144.

It is an arithmetic number, because the mean of its divisors is an integer number (26041190).

Almost surely, 2223210140 is an apocalyptic number.

223210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223210140 is an abundant number, since it is smaller than the sum of its proper divisors (401778420).

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

223210140 is a wasteful number, since it uses less digits than its factorization.

223210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720181 (or 3720179 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 223210140 is about 14940.2188738987. The cubic root of 223210140 is about 606.6031203147.

Adding to 223210140 its reverse (41012322), we get a palindrome (264222462).

The spelling of 223210140 in words is "two hundred twenty-three million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3720169 7440338 11160507 14880676 18600845 22321014 37201690 44642028 55802535 74403380 111605070 223210140