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223124201 = 1719690787
BaseRepresentation
bin11010100110010…
…01101011101001
3120112211212212022
431103021223221
5424104433301
634050154225
75346344606
oct1523115351
9515755768
10223124201
11104a47573
1262882975
13372c2771
14218c16ad
15148c5d1b
hexd4c9ae9

223124201 has 8 divisors (see below), whose sum is σ = 248683680. Its totient is φ = 198946368.

The previous prime is 223124197. The next prime is 223124221. The reversal of 223124201 is 102421322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223124201 - 22 = 223124197 is a prime.

It is a super-3 number, since 3×2231242013 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223124201.

It is not an unprimeable number, because it can be changed into a prime (223124221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345071 + ... + 345716.

It is an arithmetic number, because the mean of its divisors is an integer number (31085460).

Almost surely, 2223124201 is an apocalyptic number.

It is an amenable number.

223124201 is a deficient number, since it is larger than the sum of its proper divisors (25559479).

223124201 is a wasteful number, since it uses less digits than its factorization.

223124201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690823.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223124201 is about 14937.3425012617. The cubic root of 223124201 is about 606.5252601163.

Adding to 223124201 its reverse (102421322), we get a palindrome (325545523).

The spelling of 223124201 in words is "two hundred twenty-three million, one hundred twenty-four thousand, two hundred one".

Divisors: 1 17 19 323 690787 11743379 13124953 223124201