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223268107 = 19233116481
BaseRepresentation
bin11010100111011…
…00110100001011
3120120010012021011
431103230310023
5424124034412
634053224351
75350514266
oct1523546413
9516105234
10223268107
111050356a7
12629320b7
133734310a
142191bcdd
15149037a7
hexd4ecd0b

223268107 has 16 divisors (see below), whose sum is σ = 253163520. Its totient is φ = 195782400.

The previous prime is 223268099. The next prime is 223268131. The reversal of 223268107 is 701862322.

It is a cyclic number.

It is not a de Polignac number, because 223268107 - 23 = 223268099 is a prime.

It is a super-3 number, since 3×2232681073 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223268137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (15822720).

Almost surely, 2223268107 is an apocalyptic number.

223268107 is a deficient number, since it is larger than the sum of its proper divisors (29895413).

223268107 is a wasteful number, since it uses less digits than its factorization.

223268107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 223268107 is about 14942.1587128500. The cubic root of 223268107 is about 606.6556267698.

The spelling of 223268107 in words is "two hundred twenty-three million, two hundred sixty-eight thousand, one hundred seven".

Divisors: 1 19 23 31 437 589 713 13547 16481 313139 379063 510911 7202197 9707309 11750953 223268107