Base | Representation |
---|---|
bin | 1000100101000… |
… | …11111100101101 |
3 | 12000102200201200 |
4 | 10102203330231 |
5 | 121411142301 |
6 | 11050400113 |
7 | 1532526531 |
oct | 422437455 |
9 | 160380650 |
10 | 71974701 |
11 | 3769a727 |
12 | 20130039 |
13 | 11bb05a6 |
14 | 97b7bc1 |
15 | 64bac86 |
hex | 44a3f2d |
71974701 has 12 divisors (see below), whose sum is σ = 104074620. Its totient is φ = 47931840.
The previous prime is 71974697. The next prime is 71974703. The reversal of 71974701 is 10747917.
It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 22610025 = 7026^2 + 4755^2 .
It is not a de Polignac number, because 71974701 - 22 = 71974697 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71974703) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5881 + ... + 13361.
It is an arithmetic number, because the mean of its divisors is an integer number (8672885).
Almost surely, 271974701 is an apocalyptic number.
It is an amenable number.
71974701 is a deficient number, since it is larger than the sum of its proper divisors (32099919).
71974701 is a wasteful number, since it uses less digits than its factorization.
71974701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8556 (or 8553 counting only the distinct ones).
The product of its (nonzero) digits is 12348, while the sum is 36.
The square root of 71974701 is about 8483.7904853904. The cubic root of 71974701 is about 415.9680329387.
The spelling of 71974701 in words is "seventy-one million, nine hundred seventy-four thousand, seven hundred one".
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