Base | Representation |
---|---|
bin | 1000011110110… |
… | …11000110100110 |
3 | 11221212220020200 |
4 | 10033123012212 |
5 | 121203331123 |
6 | 11021011330 |
7 | 1522532226 |
oct | 417330646 |
9 | 157786220 |
10 | 71152038 |
11 | 37188641 |
12 | 1b9b3b46 |
13 | 11982cc9 |
14 | 9642086 |
15 | 63a7143 |
hex | 43db1a6 |
71152038 has 24 divisors (see below), whose sum is σ = 163231848. Its totient is φ = 22322112.
The previous prime is 71152033. The next prime is 71152043. The reversal of 71152038 is 83025117.
It is an interprime number because it is at equal distance from previous prime (71152033) and next prime (71152043).
It is a super-2 number, since 2×711520382 = 10125225023106888, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71152033) 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, 115956 + ... + 116567.
It is an arithmetic number, because the mean of its divisors is an integer number (6801327).
Almost surely, 271152038 is an apocalyptic number.
71152038 is an abundant number, since it is smaller than the sum of its proper divisors (92079810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71152038 is a wasteful number, since it uses less digits than its factorization.
71152038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232548 (or 232545 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 71152038 is about 8435.1667440543. The cubic root of 71152038 is about 414.3771330671.
The spelling of 71152038 in words is "seventy-one million, one hundred fifty-two thousand, thirty-eight".
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