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231038 = 2331349
BaseRepresentation
bin111000011001111110
3102201220222
4320121332
524343123
64541342
71651403
oct703176
9381828
10231038
11148645
12b1852
1381212
14602aa
15486c8
hex3867e

231038 has 8 divisors (see below), whose sum is σ = 348600. Its totient is φ = 114840.

The previous prime is 231031. The next prime is 231041. The reversal of 231038 is 830132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (43575).

2231038 is an apocalyptic number.

231038 is a deficient number, since it is larger than the sum of its proper divisors (117562).

231038 is a wasteful number, since it uses less digits than its factorization.

231038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231038 is about 480.6641238953. The cubic root of 231038 is about 61.3612887159.

The spelling of 231038 in words is "two hundred thirty-one thousand, thirty-eight".

Divisors: 1 2 331 349 662 698 115519 231038