Base | Representation |
---|---|
bin | 1000011111110… |
… | …00000001100000 |
3 | 11222002220202000 |
4 | 10033320001200 |
5 | 121221123441 |
6 | 11023324000 |
7 | 1523534463 |
oct | 417700140 |
9 | 158086660 |
10 | 71270496 |
11 | 37259640 |
12 | 1ba50600 |
13 | 119c4bbb |
14 | 96732da |
15 | 63cc2b6 |
hex | 43f8060 |
71270496 has 96 divisors (see below), whose sum is σ = 226800000. Its totient is φ = 21594240.
The previous prime is 71270489. The next prime is 71270497. The reversal of 71270496 is 69407217.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 71270496.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71270497) 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, 5755 + ... + 13253.
It is an arithmetic number, because the mean of its divisors is an integer number (2362500).
Almost surely, 271270496 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 71270496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113400000).
71270496 is an abundant number, since it is smaller than the sum of its proper divisors (155529504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71270496 is a wasteful number, since it uses less digits than its factorization.
71270496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7529 (or 7515 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 71270496 is about 8442.1854990281. The cubic root of 71270496 is about 414.6069651863.
The spelling of 71270496 in words is "seventy-one million, two hundred seventy thousand, four hundred ninety-six".
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