Base | Representation |
---|---|
bin | 10010011110101… |
… | …101011001011101 |
3 | 210121101200010210 |
4 | 102132231121131 |
5 | 1113332241112 |
6 | 50433123033 |
7 | 10453204110 |
oct | 2236553135 |
9 | 717350123 |
10 | 310040157 |
11 | 14a011839 |
12 | 879b9479 |
13 | 4c304a1b |
14 | 2d268577 |
15 | 1c343b3c |
hex | 127ad65d |
310040157 has 24 divisors (see below), whose sum is σ = 498628416. Its totient is φ = 167837184.
The previous prime is 310040141. The next prime is 310040167. The reversal of 310040157 is 751040013.
It is not a de Polignac number, because 310040157 - 24 = 310040141 is a prime.
It is a super-2 number, since 2×3100401572 = 192249797905169298, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310040167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12868 + ... + 28029.
It is an arithmetic number, because the mean of its divisors is an integer number (20776184).
Almost surely, 2310040157 is an apocalyptic number.
It is an amenable number.
310040157 is a deficient number, since it is larger than the sum of its proper divisors (188588259).
310040157 is a wasteful number, since it uses less digits than its factorization.
310040157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40945 (or 40926 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 310040157 is about 17607.9572068994. The cubic root of 310040157 is about 676.8191674477.
The spelling of 310040157 in words is "three hundred ten million, forty thousand, one hundred fifty-seven".
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