Base | Representation |
---|---|
bin | 11011011011010… |
… | …11100001001110 |
3 | 121000221012102111 |
4 | 31231223201032 |
5 | 432400003132 |
6 | 34455214234 |
7 | 5462430631 |
oct | 1555534116 |
9 | 530835374 |
10 | 230078542 |
11 | 108967461 |
12 | 6507737a |
13 | 38888c65 |
14 | 227b1c18 |
15 | 152eb647 |
hex | db6b84e |
230078542 has 4 divisors (see below), whose sum is σ = 345117816. Its totient is φ = 115039270.
The previous prime is 230078531. The next prime is 230078567. The reversal of 230078542 is 245870032.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×2300785422 = 105872270977691528, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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, 57519634 + ... + 57519637.
It is an arithmetic number, because the mean of its divisors is an integer number (86279454).
Almost surely, 2230078542 is an apocalyptic number.
230078542 is a deficient number, since it is larger than the sum of its proper divisors (115039274).
230078542 is a wasteful number, since it uses less digits than its factorization.
230078542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115039273.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 230078542 is about 15168.3401201318. The cubic root of 230078542 is about 612.7623017591.
The spelling of 230078542 in words is "two hundred thirty million, seventy-eight thousand, five hundred forty-two".
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