Base | Representation |
---|---|
bin | 1000100000100… |
… | …01010011010000 |
3 | 11222022011202200 |
4 | 10100101103100 |
5 | 121232432112 |
6 | 11025443200 |
7 | 1524445362 |
oct | 420212320 |
9 | 158264680 |
10 | 71374032 |
11 | 3731a404 |
12 | 1baa0500 |
13 | 11a30072 |
14 | 969cd32 |
15 | 63eccdc |
hex | 44114d0 |
71374032 has 90 divisors (see below), whose sum is σ = 210968082. Its totient is φ = 22522752.
The previous prime is 71374019. The next prime is 71374057. The reversal of 71374032 is 23047317.
It can be written as a sum of positive squares in only one way, i.e., 71166096 + 207936 = 8436^2 + 456^2 .
It is a junction number, because it is equal to n+sod(n) for n = 71373987 and 71374005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51298 + ... + 52670.
Almost surely, 271374032 is an apocalyptic number.
71374032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71374032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105484041).
71374032 is an abundant number, since it is smaller than the sum of its proper divisors (139594050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71374032 is a wasteful number, since it uses less digits than its factorization.
71374032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1425 (or 1397 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The square root of 71374032 is about 8448.3153350239. The cubic root of 71374032 is about 414.8076371758.
The spelling of 71374032 in words is "seventy-one million, three hundred seventy-four thousand, thirty-two".
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