Base | Representation |
---|---|
bin | 1000100101000… |
… | …10110110010000 |
3 | 12000102110112200 |
4 | 10102202312100 |
5 | 121411021232 |
6 | 11050323200 |
7 | 1532510430 |
oct | 422426620 |
9 | 160373480 |
10 | 71970192 |
11 | 376972a8 |
12 | 20129500 |
13 | 11bab518 |
14 | 97b62c0 |
15 | 64b977c |
hex | 44a2d90 |
71970192 has 60 divisors (see below), whose sum is σ = 230193600. Its totient is φ = 20562624.
The previous prime is 71970181. The next prime is 71970203. The reversal of 71970192 is 29107917.
It is an interprime number because it is at equal distance from previous prime (71970181) and next prime (71970203).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34692 + ... + 36707.
It is an arithmetic number, because the mean of its divisors is an integer number (3836560).
Almost surely, 271970192 is an apocalyptic number.
71970192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
71970192 is an abundant number, since it is smaller than the sum of its proper divisors (158223408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71970192 is a wasteful number, since it uses less digits than its factorization.
71970192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71420 (or 71411 counting only the distinct ones).
The product of its (nonzero) digits is 7938, while the sum is 36.
The square root of 71970192 is about 8483.5247391636. The cubic root of 71970192 is about 415.9593463724.
The spelling of 71970192 in words is "seventy-one million, nine hundred seventy thousand, one hundred ninety-two".
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