Base | Representation |
---|---|
bin | 1000100011000… |
… | …00000011110001 |
3 | 11222220120021120 |
4 | 10101200003301 |
5 | 121323243000 |
6 | 11040412453 |
7 | 1530261030 |
oct | 421400361 |
9 | 158816246 |
10 | 71696625 |
11 | 3751a810 |
12 | 20017129 |
13 | 11b13b50 |
14 | 9744717 |
15 | 64636a0 |
hex | 44600f1 |
71696625 has 128 divisors (see below), whose sum is σ = 161021952. Its totient is φ = 27360000.
The previous prime is 71696593. The next prime is 71696641. The reversal of 71696625 is 52669617.
It is not a de Polignac number, because 71696625 - 25 = 71696593 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
Its product of digits (136080) is a multiple of the sum of its prime factors (240).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 375280 + ... + 375470.
It is an arithmetic number, because the mean of its divisors is an integer number (1257984).
Almost surely, 271696625 is an apocalyptic number.
71696625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
71696625 is an abundant number, since it is smaller than the sum of its proper divisors (89325327).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71696625 is a wasteful number, since it uses less digits than its factorization.
71696625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240 (or 230 counting only the distinct ones).
The product of its digits is 136080, while the sum is 42.
The square root of 71696625 is about 8467.3859602595. The cubic root of 71696625 is about 415.4316407007.
It can be divided in two parts, 71 and 696625, that added together give a palindrome (696696).
The spelling of 71696625 in words is "seventy-one million, six hundred ninety-six thousand, six hundred twenty-five".
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