Base | Representation |
---|---|
bin | 1000110100100… |
… | …10100111100111 |
3 | 12011020122010000 |
4 | 10122102213213 |
5 | 122421011441 |
6 | 11202032343 |
7 | 1555665660 |
oct | 432224747 |
9 | 164218100 |
10 | 74000871 |
11 | 38853a4a |
12 | 209486b3 |
13 | 1243c8c9 |
14 | 9b84367 |
15 | 676b2b6 |
hex | 46929e7 |
74000871 has 20 divisors (see below), whose sum is σ = 126337552. Its totient is φ = 42285888.
The previous prime is 74000791. The next prime is 74000917. The reversal of 74000871 is 17800047.
It is not a de Polignac number, because 74000871 - 29 = 74000359 is a prime.
It is a super-2 number, since 2×740008712 = 10952257817517282, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74000671) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64690 + ... + 65823.
Almost surely, 274000871 is an apocalyptic number.
74000871 is a deficient number, since it is larger than the sum of its proper divisors (52336681).
74000871 is a wasteful number, since it uses less digits than its factorization.
74000871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130532 (or 130523 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 74000871 is about 8602.3758927403. The cubic root of 74000871 is about 419.8352925595.
The spelling of 74000871 in words is "seventy-four million, eight hundred seventy-one", and thus it is an aban number.
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