Base | Representation |
---|---|
bin | 11011100001011… |
… | …10110011101010 |
3 | 121002102211200102 |
4 | 31300232303222 |
5 | 433101102232 |
6 | 34524305402 |
7 | 5502301664 |
oct | 1560566352 |
9 | 532384612 |
10 | 230878442 |
11 | 109363433 |
12 | 653a2262 |
13 | 38aa9082 |
14 | 2293d534 |
15 | 15408662 |
hex | dc2ecea |
230878442 has 4 divisors (see below), whose sum is σ = 346317666. Its totient is φ = 115439220.
The previous prime is 230878399. The next prime is 230878451. The reversal of 230878442 is 244878032.
It is a happy number.
230878442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 227677921 + 3200521 = 15089^2 + 1789^2 .
It is a junction number, because it is equal to n+sod(n) for n = 230878396 and 230878405.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57719609 + ... + 57719612.
Almost surely, 2230878442 is an apocalyptic number.
230878442 is a deficient number, since it is larger than the sum of its proper divisors (115439224).
230878442 is a wasteful number, since it uses less digits than its factorization.
230878442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115439223.
The product of its (nonzero) digits is 86016, while the sum is 38.
The square root of 230878442 is about 15194.6846627365. The cubic root of 230878442 is about 613.4715981473.
The spelling of 230878442 in words is "two hundred thirty million, eight hundred seventy-eight thousand, four hundred forty-two".
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