Search a number
-
+
235424013 = 31123120921
BaseRepresentation
bin11100000100001…
…00100100001101
3121101222210000220
432002010210031
5440232032023
635205541553
75556033246
oct1602044415
9541883026
10235424013
11110988600
1266a148b9
1339a0b066
14233a3ccd
1515a053e3
hexe08490d

235424013 has 24 divisors (see below), whose sum is σ = 356176128. Its totient is φ = 138072000.

The previous prime is 235423963. The next prime is 235424017. The reversal of 235424013 is 310424532.

It is not a de Polignac number, because 235424013 - 28 = 235423757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235424017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (14840672).

Almost surely, 2235424013 is an apocalyptic number.

It is an amenable number.

235424013 is a deficient number, since it is larger than the sum of its proper divisors (120752115).

235424013 is a wasteful number, since it uses less digits than its factorization.

235424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20977 (or 20966 counting only the distinct ones).

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

The square root of 235424013 is about 15343.5332632350. The cubic root of 235424013 is about 617.4715033263.

Adding to 235424013 its reverse (310424532), we get a palindrome (545848545).

The spelling of 235424013 in words is "two hundred thirty-five million, four hundred twenty-four thousand, thirteen".

Divisors: 1 3 11 31 33 93 121 341 363 1023 3751 11253 20921 62763 230131 648551 690393 1945653 2531441 7134061 7594323 21402183 78474671 235424013