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235200013 = 1012328713
BaseRepresentation
bin11100000010011…
…01111000001101
3121101120101202121
432001031320031
5440202400023
635201052541
75554111216
oct1601157015
9541511677
10235200013
11110845284
1266927151
1339960109
142334640d
15159add5d
hexe04de0d

235200013 has 4 divisors (see below), whose sum is σ = 237528828. Its totient is φ = 232871200.

The previous prime is 235199983. The next prime is 235200023. The reversal of 235200013 is 310002532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113252164 + 121947849 = 10642^2 + 11043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-235200013 is a prime.

It is a super-2 number, since 2×2352000132 = 110638092230400338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235200023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164256 + ... + 1164457.

It is an arithmetic number, because the mean of its divisors is an integer number (59382207).

Almost surely, 2235200013 is an apocalyptic number.

It is an amenable number.

235200013 is a deficient number, since it is larger than the sum of its proper divisors (2328815).

235200013 is a wasteful number, since it uses less digits than its factorization.

235200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328814.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 235200013 is about 15336.2320339776. The cubic root of 235200013 is about 617.2756050044.

Adding to 235200013 its reverse (310002532), we get a palindrome (545202545).

The spelling of 235200013 in words is "two hundred thirty-five million, two hundred thousand, thirteen".

Divisors: 1 101 2328713 235200013