Base | Representation |
---|---|
bin | 1000100100110… |
… | …11100110001111 |
3 | 12000100221210210 |
4 | 10102123212033 |
5 | 121404043440 |
6 | 11045533503 |
7 | 1532325024 |
oct | 422334617 |
9 | 160327723 |
10 | 71940495 |
11 | 37676a60 |
12 | 20114293 |
13 | 11b9ab53 |
14 | 97a954b |
15 | 64b0a80 |
hex | 449b98f |
71940495 has 16 divisors (see below), whose sum is σ = 125569152. Its totient is φ = 34880160.
The previous prime is 71940467. The next prime is 71940497. The reversal of 71940495 is 59404917.
It is not a de Polignac number, because 71940495 - 26 = 71940431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71940497) 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, 217837 + ... + 218166.
It is an arithmetic number, because the mean of its divisors is an integer number (7848072).
Almost surely, 271940495 is an apocalyptic number.
71940495 is a deficient number, since it is larger than the sum of its proper divisors (53628657).
71940495 is a wasteful number, since it uses less digits than its factorization.
71940495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436022.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 71940495 is about 8481.7742837215. The cubic root of 71940495 is about 415.9021261826.
It can be divided in two parts, 719 and 40495, that added together give a palindrome (41214).
The spelling of 71940495 in words is "seventy-one million, nine hundred forty thousand, four hundred ninety-five".
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