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230031254 = 2472447141
BaseRepresentation
bin11011011010111…
…11111110010110
3121000211210120002
431231133332112
5432342000004
634454211302
75462143025
oct1555377626
9530753502
10230031254
11108934982
1265053b32
133887058b
142279c8bc
15152dc61e
hexdb5ff96

230031254 has 8 divisors (see below), whose sum is σ = 352388448. Its totient is φ = 112568440.

The previous prime is 230031251. The next prime is 230031259. The reversal of 230031254 is 452130032.

It is a happy number.

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 (230031251) 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, 1223477 + ... + 1223664.

It is an arithmetic number, because the mean of its divisors is an integer number (44048556).

Almost surely, 2230031254 is an apocalyptic number.

230031254 is a deficient number, since it is larger than the sum of its proper divisors (122357194).

230031254 is a wasteful number, since it uses less digits than its factorization.

230031254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447190.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230031254 is about 15166.7812669663. The cubic root of 230031254 is about 612.7203185753.

Adding to 230031254 its reverse (452130032), we get a palindrome (682161286).

The spelling of 230031254 in words is "two hundred thirty million, thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 47 94 2447141 4894282 115015627 230031254