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223013401 = 1329175881
BaseRepresentation
bin11010100101011…
…10101000011001
3120112122020212121
431102232220121
5424042412101
634043541241
75345403562
oct1522565031
9515566777
10223013401
111049812a6
126282a821
13372841c0
1421893169
15148a30a1
hexd4aea19

223013401 has 8 divisors (see below), whose sum is σ = 240291464. Its totient is φ = 205752960.

The previous prime is 223013389. The next prime is 223013419. The reversal of 223013401 is 104310322.

It is a happy number.

223013401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 104530176 + 118483225 = 10224^2 + 10885^2 .

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 223013401 - 217 = 222882329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223013501) 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, 34981 + ... + 40861.

It is an arithmetic number, because the mean of its divisors is an integer number (30036433).

Almost surely, 2223013401 is an apocalyptic number.

It is an amenable number.

223013401 is a deficient number, since it is larger than the sum of its proper divisors (17278063).

223013401 is a wasteful number, since it uses less digits than its factorization.

223013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 223013401 is about 14933.6332149949. The cubic root of 223013401 is about 606.4248464967.

Adding to 223013401 its reverse (104310322), we get a palindrome (327323723).

The spelling of 223013401 in words is "two hundred twenty-three million, thirteen thousand, four hundred one".

Divisors: 1 13 2917 5881 37921 76453 17154877 223013401