Base | Representation |
---|---|
bin | 1000001010100… |
… | …11110111010000 |
3 | 11202220012122000 |
4 | 10011103313100 |
5 | 120014012234 |
6 | 10444114000 |
7 | 1461151131 |
oct | 405236720 |
9 | 152805560 |
10 | 68500944 |
11 | 35737856 |
12 | 1ab35900 |
13 | 11265405 |
14 | 9151c88 |
15 | 6031899 |
hex | 4153dd0 |
68500944 has 40 divisors (see below), whose sum is σ = 196624320. Its totient is φ = 22833504.
The previous prime is 68500919. The next prime is 68500951. The reversal of 68500944 is 44900586.
68500944 is a `hidden beast` number, since 68 + 500 + 94 + 4 = 666.
It is a super-2 number, since 2×685009442 = 9384758657782272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 68500899 and 68500908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78852 + ... + 79715.
It is an arithmetic number, because the mean of its divisors is an integer number (4915608).
Almost surely, 268500944 is an apocalyptic number.
It is an amenable number.
68500944 is an abundant number, since it is smaller than the sum of its proper divisors (128123376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68500944 is a wasteful number, since it uses less digits than its factorization.
68500944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158584 (or 158572 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 68500944 is about 8276.5297075526. The cubic root of 68500944 is about 409.1653534017.
The spelling of 68500944 in words is "sixty-eight million, five hundred thousand, nine hundred forty-four".
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