Base | Representation |
---|---|
bin | 1101111001111… |
… | …0010100001011 |
3 | 11001201222012011 |
4 | 3132132110023 |
5 | 104412221024 |
6 | 5442000351 |
7 | 1305466363 |
oct | 336362413 |
9 | 131658164 |
10 | 58320139 |
11 | 2aa13869 |
12 | 176460b7 |
13 | c10c477 |
14 | 7a619a3 |
15 | 51c0094 |
hex | 379e50b |
58320139 has 4 divisors (see below), whose sum is σ = 61389640. Its totient is φ = 55250640.
The previous prime is 58320137. The next prime is 58320151. The reversal of 58320139 is 93102385.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93102385 = 5 ⋅18620477.
It is a cyclic number.
It is not a de Polignac number, because 58320139 - 21 = 58320137 is a prime.
It is a super-2 number, since 2×583201392 = 6802477225958642, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 58320139.
It is not an unprimeable number, because it can be changed into a prime (58320137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534722 + ... + 1534759.
It is an arithmetic number, because the mean of its divisors is an integer number (15347410).
Almost surely, 258320139 is an apocalyptic number.
58320139 is a deficient number, since it is larger than the sum of its proper divisors (3069501).
58320139 is a wasteful number, since it uses less digits than its factorization.
58320139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069500.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 58320139 is about 7636.7623375355. The cubic root of 58320139 is about 387.7985522985.
The spelling of 58320139 in words is "fifty-eight million, three hundred twenty thousand, one hundred thirty-nine".
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