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232405134 = 231314919997
BaseRepresentation
bin11011101101000…
…11100010001110
3121012022101220120
431312203202032
5433443431014
635021125410
75521260663
oct1566434216
9535271816
10232405134
1110a206465
12659b9866
13391c1c40
1422c19a6a
151560aba9
hexdda388e

232405134 has 32 divisors (see below), whose sum is σ = 503949600. Its totient is φ = 71025792.

The previous prime is 232405127. The next prime is 232405163. The reversal of 232405134 is 431504232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (15748425).

Almost surely, 2232405134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232405134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251974800).

232405134 is an abundant number, since it is smaller than the sum of its proper divisors (271544466).

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

232405134 is a wasteful number, since it uses less digits than its factorization.

232405134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 232405134 is about 15244.8395859058. The cubic root of 232405134 is about 614.8208295569.

Adding to 232405134 its reverse (431504232), we get a palindrome (663909366).

The spelling of 232405134 in words is "two hundred thirty-two million, four hundred five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 149 298 447 894 1937 3874 5811 11622 19997 39994 59991 119982 259961 519922 779883 1559766 2979553 5959106 8938659 17877318 38734189 77468378 116202567 232405134