Search a number
-
+
223400254 = 27111450651
BaseRepresentation
bin11010101000011…
…01000100111110
3120120100220112111
431110031010332
5424142302004
634100124234
75351604460
oct1524150476
9516326474
10223400254
11105115a10
126299667a
133738b2cc
1421954130
151492ca04
hexd50d13e

223400254 has 16 divisors (see below), whose sum is σ = 417787776. Its totient is φ = 87039000.

The previous prime is 223400251. The next prime is 223400257. The reversal of 223400254 is 452004322.

223400254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223400251) and next prime (223400257).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223400251) 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, 725172 + ... + 725479.

It is an arithmetic number, because the mean of its divisors is an integer number (26111736).

Almost surely, 2223400254 is an apocalyptic number.

223400254 is a deficient number, since it is larger than the sum of its proper divisors (194387522).

223400254 is a wasteful number, since it uses less digits than its factorization.

223400254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450671.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 223400254 is about 14946.5800101562. The cubic root of 223400254 is about 606.7752914351.

Adding to 223400254 its reverse (452004322), we get a palindrome (675404576).

The spelling of 223400254 in words is "two hundred twenty-three million, four hundred thousand, two hundred fifty-four".

Divisors: 1 2 7 11 14 22 77 154 1450651 2901302 10154557 15957161 20309114 31914322 111700127 223400254