Base | Representation |
---|---|
bin | 1011100100001… |
… | …10100100000001 |
3 | 20202120010122022 |
4 | 11302012210001 |
5 | 144314121121 |
6 | 13343251225 |
7 | 2255441420 |
oct | 562064401 |
9 | 222503568 |
10 | 97020161 |
11 | 4a846757 |
12 | 285a9b15 |
13 | 1713c3a4 |
14 | cc572b7 |
15 | 87b6aab |
hex | 5c86901 |
97020161 has 8 divisors (see below), whose sum is σ = 111096384. Its totient is φ = 82998000.
The previous prime is 97020107. The next prime is 97020181. The reversal of 97020161 is 16102079.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 97020161 - 26 = 97020097 is a prime.
It is a super-3 number, since 3×970201613 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 97020161.
It is not an unprimeable number, because it can be changed into a prime (97020181) 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, 9590 + ... + 16911.
It is an arithmetic number, because the mean of its divisors is an integer number (13887048).
Almost surely, 297020161 is an apocalyptic number.
It is an amenable number.
97020161 is a deficient number, since it is larger than the sum of its proper divisors (14076223).
97020161 is a wasteful number, since it uses less digits than its factorization.
97020161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27031.
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 97020161 is about 9849.8812683199. The cubic root of 97020161 is about 459.5019199243.
The spelling of 97020161 in words is "ninety-seven million, twenty thousand, one hundred sixty-one".
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