Base | Representation |
---|---|
bin | 1000100010101… |
… | …00011010111000 |
3 | 11222211010212220 |
4 | 10101110122320 |
5 | 121320231302 |
6 | 11035404040 |
7 | 1530002034 |
oct | 421243270 |
9 | 158733786 |
10 | 71648952 |
11 | 37497a11 |
12 | 1bbb3620 |
13 | 11ac823b |
14 | 97311c4 |
15 | 64544bc |
hex | 44546b8 |
71648952 has 16 divisors (see below), whose sum is σ = 179122440. Its totient is φ = 23882976.
The previous prime is 71648939. The next prime is 71648987. The reversal of 71648952 is 25984617.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492663 + ... + 1492710.
Almost surely, 271648952 is an apocalyptic number.
It is an amenable number.
71648952 is an abundant number, since it is smaller than the sum of its proper divisors (107473488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71648952 is a wasteful number, since it uses less digits than its factorization.
71648952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2985382 (or 2985378 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 71648952 is about 8464.5703966592. The cubic root of 71648952 is about 415.3395430888.
The spelling of 71648952 in words is "seventy-one million, six hundred forty-eight thousand, nine hundred fifty-two".
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