Base | Representation |
---|---|
bin | 1000001011001… |
… | …00111101110110 |
3 | 11210000202201121 |
4 | 10011210331312 |
5 | 120023232443 |
6 | 10445414154 |
7 | 1461562306 |
oct | 405447566 |
9 | 153022647 |
10 | 68570998 |
11 | 35785451 |
12 | 1ab6a35a |
13 | 1128b272 |
14 | 916d606 |
15 | 60474ed |
hex | 4164f76 |
68570998 has 4 divisors (see below), whose sum is σ = 102856500. Its totient is φ = 34285498.
The previous prime is 68570987. The next prime is 68571023. The reversal of 68570998 is 89907586.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89907586 = 2 ⋅44953793.
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, 17142748 + ... + 17142751.
It is an arithmetic number, because the mean of its divisors is an integer number (25714125).
Almost surely, 268570998 is an apocalyptic number.
68570998 is a deficient number, since it is larger than the sum of its proper divisors (34285502).
68570998 is a wasteful number, since it uses less digits than its factorization.
68570998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34285501.
The product of its (nonzero) digits is 1088640, while the sum is 52.
The square root of 68570998 is about 8280.7607138475. The cubic root of 68570998 is about 409.3047865363.
The spelling of 68570998 in words is "sixty-eight million, five hundred seventy thousand, nine hundred ninety-eight".
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