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230320432 = 2419757633
BaseRepresentation
bin11011011101001…
…10100100110000
3121001101111020101
431232212210300
5432430223212
634504322144
75464456066
oct1556464460
9531344211
10230320432
11109012171
1265173354
13389420a4
1422836036
1515348157
hexdba6930

230320432 has 20 divisors (see below), whose sum is σ = 469733080. Its totient is φ = 109099008.

The previous prime is 230320429. The next prime is 230320439. The reversal of 230320432 is 234023032.

230320432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (230320439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378513 + ... + 379120.

It is an arithmetic number, because the mean of its divisors is an integer number (23486654).

Almost surely, 2230320432 is an apocalyptic number.

It is an amenable number.

230320432 is an abundant number, since it is smaller than the sum of its proper divisors (239412648).

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

230320432 is a wasteful number, since it uses less digits than its factorization.

230320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757660 (or 757654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 230320432 is about 15176.3115413463. The cubic root of 230320432 is about 612.9769663670.

Adding to 230320432 its reverse (234023032), we get a palindrome (464343464).

The spelling of 230320432 in words is "two hundred thirty million, three hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 757633 1515266 3030532 6061064 12122128 14395027 28790054 57580108 115160216 230320432