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231001396 = 22103560683
BaseRepresentation
bin11011100010011…
…00110100110100
3121002200002100021
431301030310310
5433114021041
634531054524
75503323313
oct1561146464
9532602307
10231001396
1110943784a
1265441444
1338b20022
142297227a
151542ecd1
hexdc4cd34

231001396 has 12 divisors (see below), whose sum is σ = 408177952. Its totient is φ = 114379128.

The previous prime is 231001363. The next prime is 231001399. The reversal of 231001396 is 693100132.

231001396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231001396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001399) 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, 279930 + ... + 280753.

Almost surely, 2231001396 is an apocalyptic number.

It is an amenable number.

231001396 is a deficient number, since it is larger than the sum of its proper divisors (177176556).

231001396 is a wasteful number, since it uses less digits than its factorization.

231001396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560790 (or 560788 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 231001396 is about 15198.7300785296. The cubic root of 231001396 is about 613.5804799762.

The spelling of 231001396 in words is "two hundred thirty-one million, one thousand, three hundred ninety-six".

Divisors: 1 2 4 103 206 412 560683 1121366 2242732 57750349 115500698 231001396