Base | Representation |
---|---|
bin | 10110001000001… |
… | …100011111110001 |
3 | 221212120022021012 |
4 | 112020030133301 |
5 | 1230014401324 |
6 | 100501040305 |
7 | 12125356013 |
oct | 2610143761 |
9 | 855508235 |
10 | 371247089 |
11 | 180617484 |
12 | a43b6095 |
13 | 5bbb5145 |
14 | 3743c1b3 |
15 | 228d420e |
hex | 1620c7f1 |
371247089 has 2 divisors, whose sum is σ = 371247090. Its totient is φ = 371247088.
The previous prime is 371247053. The next prime is 371247113. The reversal of 371247089 is 980742173.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 270043489 + 101203600 = 16433^2 + 10060^2 .
It is an emirp because it is prime and its reverse (980742173) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-371247089 is a prime.
It is a Chen prime.
It is equal to p19881455 and since 371247089 and 19881455 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (371247389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185623544 + 185623545.
It is an arithmetic number, because the mean of its divisors is an integer number (185623545).
Almost surely, 2371247089 is an apocalyptic number.
It is an amenable number.
371247089 is a deficient number, since it is larger than the sum of its proper divisors (1).
371247089 is an equidigital number, since it uses as much as digits as its factorization.
371247089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 371247089 is about 19267.7733275021. The cubic root of 371247089 is about 718.7111000598.
The spelling of 371247089 in words is "three hundred seventy-one million, two hundred forty-seven thousand, eighty-nine".
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