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230840334 = 2335380657
BaseRepresentation
bin11011100001001…
…01100000001110
3121002100220102000
431300211200032
5433043342314
634523413130
75502052614
oct1560454016
9532326360
10230840334
1110933783a
12653841a6
1338a9491a
142292d6b4
15153ec209
hexdc2580e

230840334 has 32 divisors (see below), whose sum is σ = 522663840. Its totient is φ = 75494016.

The previous prime is 230840327. The next prime is 230840339. The reversal of 230840334 is 433048032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230840298 and 230840307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230840339) 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, 37467 + ... + 43190.

It is an arithmetic number, because the mean of its divisors is an integer number (16333245).

Almost surely, 2230840334 is an apocalyptic number.

230840334 is an abundant number, since it is smaller than the sum of its proper divisors (291823506).

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

230840334 is a wasteful number, since it uses less digits than its factorization.

230840334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80721 (or 80715 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 230840334 is about 15193.4306198436. The cubic root of 230840334 is about 613.4378437875.

Adding to 230840334 its reverse (433048032), we get a palindrome (663888366).

The spelling of 230840334 in words is "two hundred thirty million, eight hundred forty thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 53 54 106 159 318 477 954 1431 2862 80657 161314 241971 483942 725913 1451826 2177739 4274821 4355478 8549642 12824463 25648926 38473389 76946778 115420167 230840334