Base | Representation |
---|---|
bin | 1011100100001… |
… | …10100011001001 |
3 | 20202120010120020 |
4 | 11302012203021 |
5 | 144314120410 |
6 | 13343251053 |
7 | 2255441310 |
oct | 562064311 |
9 | 222503506 |
10 | 97020105 |
11 | 4a846706 |
12 | 285a9a89 |
13 | 1713c360 |
14 | cc57277 |
15 | 87b6a70 |
hex | 5c868c9 |
97020105 has 128 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 37158912.
The previous prime is 97020103. The next prime is 97020107. The reversal of 97020105 is 50102079.
It is an interprime number because it is at equal distance from previous prime (97020103) and next prime (97020107).
It is not a de Polignac number, because 97020105 - 21 = 97020103 is a prime.
It is a super-2 number, since 2×970201052 = 18825801548422050, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (97020103) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 858529 + ... + 858641.
It is an arithmetic number, because the mean of its divisors is an integer number (1637496).
Almost surely, 297020105 is an apocalyptic number.
It is an amenable number.
97020105 is an abundant number, since it is smaller than the sum of its proper divisors (112579383).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97020105 is a wasteful number, since it uses less digits than its factorization.
97020105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195.
The product of its (nonzero) digits is 630, while the sum is 24.
The square root of 97020105 is about 9849.8784256457. The cubic root of 97020105 is about 459.5018315162.
The spelling of 97020105 in words is "ninety-seven million, twenty thousand, one hundred five".
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