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223053131 = 7371097901
BaseRepresentation
bin11010100101110…
…00010101001011
3120112201021101002
431102320111023
5424100200011
634044445215
75345630450
oct1522702513
9515637332
10223053131
111049a9134
126284980b
1337299302
14218a3827
15148aec3b
hexd4b854b

223053131 has 16 divisors (see below), whose sum is σ = 264242880. Its totient is φ = 184291200.

The previous prime is 223053119. The next prime is 223053133. The reversal of 223053131 is 131350322.

223053131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223053131 - 26 = 223053067 is a prime.

It is a super-2 number, since 2×2230531312 = 99505398497806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223053133) 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, 24281 + ... + 32181.

It is an arithmetic number, because the mean of its divisors is an integer number (16515180).

Almost surely, 2223053131 is an apocalyptic number.

223053131 is a deficient number, since it is larger than the sum of its proper divisors (41189749).

223053131 is a wasteful number, since it uses less digits than its factorization.

223053131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8054.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 223053131 is about 14934.9633745785. The cubic root of 223053131 is about 606.4608560346.

The spelling of 223053131 in words is "two hundred twenty-three million, fifty-three thousand, one hundred thirty-one".

Divisors: 1 7 37 109 259 763 4033 7901 28231 55307 292337 861209 2046359 6028463 31864733 223053131