Base | Representation |
---|---|
bin | 1011111001110000000010 |
3 | 12212112000101 |
4 | 23321300002 |
5 | 1244321010 |
6 | 150513014 |
7 | 35343406 |
oct | 13716002 |
9 | 5775011 |
10 | 3120130 |
11 | 1841222 |
12 | 106576a |
13 | 853240 |
14 | 5b3106 |
15 | 41973a |
hex | 2f9c02 |
3120130 has 16 divisors (see below), whose sum is σ = 6048504. Its totient is φ = 1152000.
The previous prime is 3120127. The next prime is 3120137. The reversal of 3120130 is 310213.
It can be written as a sum of positive squares in 4 ways, for example, as 1580049 + 1540081 = 1257^2 + 1241^2 .
It is a super-2 number, since 2×31201302 = 19470422433800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3120137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11871 + ... + 12130.
Almost surely, 23120130 is an apocalyptic number.
3120130 is a deficient number, since it is larger than the sum of its proper divisors (2928374).
3120130 is a wasteful number, since it uses less digits than its factorization.
3120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24021.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 3120130 is about 1766.3889718859. The cubic root of 3120130 is about 146.1249009374.
Adding to 3120130 its reverse (310213), we get a palindrome (3430343).
The spelling of 3120130 in words is "three million, one hundred twenty thousand, one hundred thirty".
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