Search a number
-
+
223431876 = 223252311867
BaseRepresentation
bin11010101000101…
…00110011000100
3120120102111220200
431110110303010
5424144310001
634100530500
75352065613
oct1524246304
9516374820
10223431876
11105137748
12629b0a30
133739c815
142196187a
1514937086
hexd514cc4

223431876 has 36 divisors (see below), whose sum is σ = 565913712. Its totient is φ = 74328624.

The previous prime is 223431869. The next prime is 223431877. The reversal of 223431876 is 678134322.

It is a happy number.

223431876 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

223431876 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 223431876.

It is not an unprimeable number, because it can be changed into a prime (223431877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12895 + ... + 24761.

Almost surely, 2223431876 is an apocalyptic number.

It is an amenable number.

223431876 is an abundant number, since it is smaller than the sum of its proper divisors (342481836).

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

223431876 is a wasteful number, since it uses less digits than its factorization.

223431876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400 (or 12395 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 223431876 is about 14947.6378066904. The cubic root of 223431876 is about 606.8039194882.

The spelling of 223431876 in words is "two hundred twenty-three million, four hundred thirty-one thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 523 1046 1569 2092 3138 4707 6276 9414 11867 18828 23734 35601 47468 71202 106803 142404 213606 427212 6206441 12412882 18619323 24825764 37238646 55857969 74477292 111715938 223431876