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230004542 = 2115002271
BaseRepresentation
bin11011011010110…
…01011100111110
3121000210102220202
431231121130332
5432340121132
634453443502
75462002115
oct1555313476
9530712822
10230004542
111089168a9
1265040592
1338861381
1422792c7c
15152d4762
hexdb5973e

230004542 has 4 divisors (see below), whose sum is σ = 345006816. Its totient is φ = 115002270.

The previous prime is 230004517. The next prime is 230004589. The reversal of 230004542 is 245400032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57501134 + ... + 57501137.

It is an arithmetic number, because the mean of its divisors is an integer number (86251704).

Almost surely, 2230004542 is an apocalyptic number.

230004542 is a deficient number, since it is larger than the sum of its proper divisors (115002274).

230004542 is a wasteful number, since it uses less digits than its factorization.

230004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115002273.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 230004542 is about 15165.9006326693. The cubic root of 230004542 is about 612.6966006117.

Adding to 230004542 its reverse (245400032), we get a palindrome (475404574).

The spelling of 230004542 in words is "two hundred thirty million, four thousand, five hundred forty-two".

Divisors: 1 2 115002271 230004542