Base | Representation |
---|---|
bin | 10111010000110… |
… | …001111111110101 |
3 | 1000012101000201220 |
4 | 113100301333311 |
5 | 1244402300221 |
6 | 102420540553 |
7 | 12446166111 |
oct | 2720617765 |
9 | 1005330656 |
10 | 390275061 |
11 | 190333480 |
12 | aa851759 |
13 | 62b17cb7 |
14 | 39b92741 |
15 | 243e20c6 |
hex | 17431ff5 |
390275061 has 8 divisors (see below), whose sum is σ = 567672864. Its totient is φ = 236530320.
The previous prime is 390275059. The next prime is 390275077. The reversal of 390275061 is 160572093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 390275061 - 21 = 390275059 is a prime.
It is a super-3 number, since 3×3902750613 (a number of 27 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 11826517 = 390275061 / (3 + 9 + 0 + 2 + 7 + 5 + 0 + 6 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390275021) 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, 5913226 + ... + 5913291.
It is an arithmetic number, because the mean of its divisors is an integer number (70959108).
Almost surely, 2390275061 is an apocalyptic number.
It is an amenable number.
390275061 is a deficient number, since it is larger than the sum of its proper divisors (177397803).
390275061 is a wasteful number, since it uses less digits than its factorization.
390275061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11826531.
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 390275061 is about 19755.3805582176. The cubic root of 390275061 is about 730.7860807300.
The spelling of 390275061 in words is "three hundred ninety million, two hundred seventy-five thousand, sixty-one".
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