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230422524 = 223139138143
BaseRepresentation
bin11011011101111…
…11011111111100
3121001120200021120
431232333133330
5432442010044
634510430540
75465362533
oct1556773774
9531520246
10230422524
11109081942
1265202450
13389796b7
142286131a
1515368519
hexdbbf7fc

230422524 has 24 divisors (see below), whose sum is σ = 541524480. Its totient is φ = 76254384.

The previous prime is 230422523. The next prime is 230422531. The reversal of 230422524 is 425224032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230422494 and 230422503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230422523) 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, 67404 + ... + 70739.

It is an arithmetic number, because the mean of its divisors is an integer number (22563520).

Almost surely, 2230422524 is an apocalyptic number.

It is an amenable number.

230422524 is an abundant number, since it is smaller than the sum of its proper divisors (311101956).

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

230422524 is a wasteful number, since it uses less digits than its factorization.

230422524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138289 (or 138287 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 230422524 is about 15179.6747000718. The cubic root of 230422524 is about 613.0675225251.

Adding to 230422524 its reverse (425224032), we get a palindrome (655646556).

The spelling of 230422524 in words is "two hundred thirty million, four hundred twenty-two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 139 278 417 556 834 1668 138143 276286 414429 552572 828858 1657716 19201877 38403754 57605631 76807508 115211262 230422524