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232405133 = 2326573803
BaseRepresentation
bin11011101101000…
…11100010001101
3121012022101220112
431312203202031
5433443431013
635021125405
75521260662
oct1566434215
9535271815
10232405133
1110a206464
12659b9865
13391c1c3c
1422c19a69
151560aba8
hexdda388d

232405133 has 8 divisors (see below), whose sum is σ = 242664768. Its totient is φ = 222158464.

The previous prime is 232405127. The next prime is 232405163. The reversal of 232405133 is 331504232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232405133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232405099 and 232405108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232405163) 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, 59210 + ... + 63012.

It is an arithmetic number, because the mean of its divisors is an integer number (30333096).

Almost surely, 2232405133 is an apocalyptic number.

232405133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

232405133 is a deficient number, since it is larger than the sum of its proper divisors (10259635).

232405133 is a wasteful number, since it uses less digits than its factorization.

232405133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 232405133 is about 15244.8395531078. The cubic root of 232405133 is about 614.8208286751.

Adding to 232405133 its reverse (331504232), we get a palindrome (563909365).

Subtracting 232405133 from its reverse (331504232), we obtain a palindrome (99099099).

The spelling of 232405133 in words is "two hundred thirty-two million, four hundred five thousand, one hundred thirty-three".

Divisors: 1 23 2657 3803 61111 87469 10104571 232405133