Base | Representation |
---|---|
bin | 1000010110001… |
… | …01110001001000 |
3 | 11212202011222212 |
4 | 10023011301020 |
5 | 120411003242 |
6 | 10540404252 |
7 | 1510061330 |
oct | 413056110 |
9 | 155664885 |
10 | 70016072 |
11 | 36582125 |
12 | 1b546688 |
13 | 11675c39 |
14 | 94280c0 |
15 | 6230782 |
hex | 42c5c48 |
70016072 has 32 divisors (see below), whose sum is σ = 152281920. Its totient is φ = 29557440.
The previous prime is 70016059. The next prime is 70016077. The reversal of 70016072 is 27061007.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (70016077) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5579 + ... + 13082.
It is an arithmetic number, because the mean of its divisors is an integer number (4758810).
Almost surely, 270016072 is an apocalyptic number.
It is an amenable number.
70016072 is an abundant number, since it is smaller than the sum of its proper divisors (82265848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70016072 is a wasteful number, since it uses less digits than its factorization.
70016072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18741 (or 18737 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 23.
The square root of 70016072 is about 8367.5606959257. The cubic root of 70016072 is about 412.1600691373.
Adding to 70016072 its reverse (27061007), we get a palindrome (97077079).
The spelling of 70016072 in words is "seventy million, sixteen thousand, seventy-two".
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