Base | Representation |
---|---|
bin | 10010011110100… |
… | …011110111110110 |
3 | 210121022200121210 |
4 | 102132203313312 |
5 | 1113330014032 |
6 | 50432222250 |
7 | 10452652263 |
oct | 2236436766 |
9 | 717280553 |
10 | 310001142 |
11 | 149a954a0 |
12 | 8799a986 |
13 | 4c2c0039 |
14 | 2d25826a |
15 | 1c3372cc |
hex | 127a3df6 |
310001142 has 16 divisors (see below), whose sum is σ = 676366272. Its totient is φ = 93939720.
The previous prime is 310001129. The next prime is 310001173. The reversal of 310001142 is 241100013.
It is a happy number.
It is a super-2 number, since 2×3100011422 = 192201416082608328, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348428 + ... + 2348559.
It is an arithmetic number, because the mean of its divisors is an integer number (42272892).
Almost surely, 2310001142 is an apocalyptic number.
310001142 is an abundant number, since it is smaller than the sum of its proper divisors (366365130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310001142 is a wasteful number, since it uses less digits than its factorization.
310001142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4697003.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 310001142 is about 17606.8492922499. The cubic root of 310001142 is about 676.7907762786.
Adding to 310001142 its reverse (241100013), we get a palindrome (551101155).
The spelling of 310001142 in words is "three hundred ten million, one thousand, one hundred forty-two".
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