Base | Representation |
---|---|
bin | 1100010010000… |
… | …00000110110111 |
3 | 21011212010000211 |
4 | 12021000012313 |
5 | 202333214111 |
6 | 14120050251 |
7 | 2360452456 |
oct | 611000667 |
9 | 234763024 |
10 | 103023031 |
11 | 53176801 |
12 | 2a603987 |
13 | 18461797 |
14 | d97ab9d |
15 | 90a0521 |
hex | 62401b7 |
103023031 has 4 divisors (see below), whose sum is σ = 104327200. Its totient is φ = 101718864.
The previous prime is 103023029. The next prime is 103023079. The reversal of 103023031 is 130320301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130320301 = 113 ⋅1153277.
It is a cyclic number.
It is not a de Polignac number, because 103023031 - 21 = 103023029 is a prime.
It is a super-2 number, since 2×1030230312 = 21227489832853922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103023731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651966 + ... + 652123.
It is an arithmetic number, because the mean of its divisors is an integer number (26081800).
Almost surely, 2103023031 is an apocalyptic number.
103023031 is a deficient number, since it is larger than the sum of its proper divisors (1304169).
103023031 is an equidigital number, since it uses as much as digits as its factorization.
103023031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1304168.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 103023031 is about 10150.0261576018. The cubic root of 103023031 is about 468.7897503239.
Adding to 103023031 its reverse (130320301), we get a palindrome (233343332).
The spelling of 103023031 in words is "one hundred three million, twenty-three thousand, thirty-one".
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