Base | Representation |
---|---|
bin | 1001001011101… |
… | …00111110111000 |
3 | 12100221021201111 |
4 | 10211310332320 |
5 | 124204301313 |
6 | 11350530104 |
7 | 1623463201 |
oct | 445647670 |
9 | 170837644 |
10 | 77025208 |
11 | 3a52a1a7 |
12 | 21966934 |
13 | 12c5b360 |
14 | a3305a8 |
15 | 6b6743d |
hex | 4974fb8 |
77025208 has 32 divisors (see below), whose sum is σ = 158180400. Its totient is φ = 34944768.
The previous prime is 77025203. The next prime is 77025209. The reversal of 77025208 is 80252077.
It is a self number, because there is not a number n which added to its sum of digits gives 77025208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77025203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 12412.
Almost surely, 277025208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 77025208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79090200).
77025208 is an abundant number, since it is smaller than the sum of its proper divisors (81155192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77025208 is a wasteful number, since it uses less digits than its factorization.
77025208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12631 (or 12627 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 31.
The square root of 77025208 is about 8776.4006289595. The cubic root of 77025208 is about 425.4785069529.
The spelling of 77025208 in words is "seventy-seven million, twenty-five thousand, two hundred eight".
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