Base | Representation |
---|---|
bin | 1000010100111… |
… | …01001110011000 |
3 | 11212102202012100 |
4 | 10022131032120 |
5 | 120340200013 |
6 | 10533043400 |
7 | 1505500224 |
oct | 412351630 |
9 | 155382170 |
10 | 69850008 |
11 | 36479388 |
12 | 1b486560 |
13 | 11618487 |
14 | 93c3784 |
15 | 61eb473 |
hex | 429d398 |
69850008 has 96 divisors (see below), whose sum is σ = 202176000. Its totient is φ = 21709824.
The previous prime is 69849973. The next prime is 69850021. The reversal of 69850008 is 80005896.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182185 + ... + 182567.
It is an arithmetic number, because the mean of its divisors is an integer number (2106000).
Almost surely, 269850008 is an apocalyptic number.
69850008 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69850008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101088000).
69850008 is an abundant number, since it is smaller than the sum of its proper divisors (132325992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69850008 is a wasteful number, since it uses less digits than its factorization.
69850008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561 (or 554 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 69850008 is about 8357.6317219653. The cubic root of 69850008 is about 411.8339576617.
The spelling of 69850008 in words is "sixty-nine million, eight hundred fifty thousand, eight".
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