Base | Representation |
---|---|
bin | 10100111011000… |
… | …100111101011010 |
3 | 220110112020011222 |
4 | 110323010331122 |
5 | 1204330444010 |
6 | 54455452042 |
7 | 11461500242 |
oct | 2473047532 |
9 | 813466158 |
10 | 351031130 |
11 | 17016997a |
12 | 99687022 |
13 | 57957638 |
14 | 34898b22 |
15 | 20c3e355 |
hex | 14ec4f5a |
351031130 has 32 divisors (see below), whose sum is σ = 676570320. Its totient is φ = 130662400.
The previous prime is 351031117. The next prime is 351031133. The reversal of 351031130 is 31130153.
It can be written as a sum of positive squares in 8 ways, for example, as 234671761 + 116359369 = 15319^2 + 10787^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 351031099 and 351031108.
It is not an unprimeable number, because it can be changed into a prime (351031133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3530 + ... + 26730.
Almost surely, 2351031130 is an apocalyptic number.
351031130 is a deficient number, since it is larger than the sum of its proper divisors (325539190).
351031130 is a wasteful number, since it uses less digits than its factorization.
351031130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23314.
The product of its (nonzero) digits is 135, while the sum is 17.
The square root of 351031130 is about 18735.8247750132. The cubic root of 351031130 is about 705.4212595598.
Adding to 351031130 its reverse (31130153), we get a palindrome (382161283).
The spelling of 351031130 in words is "three hundred fifty-one million, thirty-one thousand, one hundred thirty".
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