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223401252 = 223313111931
BaseRepresentation
bin11010101000011…
…01010100100100
3120120100221220110
431110031110210
5424142320002
634100133020
75351610414
oct1524152444
9516327813
10223401252
11105116738
1262997170
133738b8b9
1421954644
151492ce6c
hexd50d524

223401252 has 48 divisors (see below), whose sum is σ = 540094464. Its totient is φ = 71796000.

The previous prime is 223401229. The next prime is 223401253. The reversal of 223401252 is 252104322.

223401252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223401253) 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, 114727 + ... + 116657.

It is an arithmetic number, because the mean of its divisors is an integer number (11251968).

Almost surely, 2223401252 is an apocalyptic number.

It is an amenable number.

223401252 is an abundant number, since it is smaller than the sum of its proper divisors (316693212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223401252 is a wasteful number, since it uses less digits than its factorization.

223401252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 223401252 is about 14946.6133956826. The cubic root of 223401252 is about 606.7761949865.

Adding to 223401252 its reverse (252104322), we get a palindrome (475505574).

The spelling of 223401252 in words is "two hundred twenty-three million, four hundred one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 311 372 622 933 1244 1866 1931 3732 3862 5793 7724 9641 11586 19282 23172 28923 38564 57846 59861 115692 119722 179583 239444 359166 600541 718332 1201082 1801623 2402164 3603246 7206492 18616771 37233542 55850313 74467084 111700626 223401252