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235353421 = 1311796591
BaseRepresentation
bin11100000011100…
…11010101001101
3121101212012012101
432001303111031
5440222302141
635204235101
75555320402
oct1601632515
9541765171
10235353421
1111093a566
126699ba91
13399b4ba4
14233862a9
15159de531
hexe07354d

235353421 has 4 divisors (see below), whose sum is σ = 237150144. Its totient is φ = 233556700.

The previous prime is 235353383. The next prime is 235353431. The reversal of 235353421 is 124353532.

235353421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235353421 - 211 = 235351373 is a prime.

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 235353421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235353431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898165 + ... + 898426.

It is an arithmetic number, because the mean of its divisors is an integer number (59287536).

Almost surely, 2235353421 is an apocalyptic number.

It is an amenable number.

235353421 is a deficient number, since it is larger than the sum of its proper divisors (1796723).

235353421 is a wasteful number, since it uses less digits than its factorization.

235353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796722.

The product of its digits is 10800, while the sum is 28.

The square root of 235353421 is about 15341.2327079671. The cubic root of 235353421 is about 617.4097807841.

The spelling of 235353421 in words is "two hundred thirty-five million, three hundred fifty-three thousand, four hundred twenty-one".

Divisors: 1 131 1796591 235353421