Base | Representation |
---|---|
bin | 1000000111010… |
… | …11100111011111 |
3 | 11202002111220110 |
4 | 10003223213133 |
5 | 114411331301 |
6 | 10431021103 |
7 | 1454422221 |
oct | 403534737 |
9 | 152074813 |
10 | 68073951 |
11 | 35475a70 |
12 | 1a96a793 |
13 | 11145c5a |
14 | 9080411 |
15 | 5e9a0d6 |
hex | 40eb9df |
68073951 has 16 divisors (see below), whose sum is σ = 103322880. Its totient is φ = 39462720.
The previous prime is 68073949. The next prime is 68073959. The reversal of 68073951 is 15937086.
It is not a de Polignac number, because 68073951 - 21 = 68073949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68073959) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44086 + ... + 45603.
It is an arithmetic number, because the mean of its divisors is an integer number (6457680).
Almost surely, 268073951 is an apocalyptic number.
68073951 is a deficient number, since it is larger than the sum of its proper divisors (35248929).
68073951 is a wasteful number, since it uses less digits than its factorization.
68073951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89726.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 68073951 is about 8250.6939708124. The cubic root of 68073951 is about 408.3134185854.
The spelling of 68073951 in words is "sixty-eight million, seventy-three thousand, nine hundred fifty-one".
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