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231089914 = 2112954917
BaseRepresentation
bin11011100011000…
…10011011111010
3121002211120202201
431301202123322
5433124334124
634533020414
75504142346
oct1561423372
9532746681
10231089914
11109498300
126548470a
1338b513c3
1422996626
151544b144
hexdc626fa

231089914 has 12 divisors (see below), whose sum is σ = 381012282. Its totient is φ = 105040760.

The previous prime is 231089897. The next prime is 231089917. The reversal of 231089914 is 419980132.

It can be written as a sum of positive squares in only one way, i.e., 134165889 + 96924025 = 11583^2 + 9845^2 .

It is not an unprimeable number, because it can be changed into a prime (231089917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477217 + ... + 477700.

Almost surely, 2231089914 is an apocalyptic number.

231089914 is a deficient number, since it is larger than the sum of its proper divisors (149922368).

231089914 is a wasteful number, since it uses less digits than its factorization.

231089914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954941 (or 954930 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 231089914 is about 15201.6418192247. The cubic root of 231089914 is about 613.6588431115.

The spelling of 231089914 in words is "two hundred thirty-one million, eighty-nine thousand, nine hundred fourteen".

Divisors: 1 2 11 22 121 242 954917 1909834 10504087 21008174 115544957 231089914