Base | Representation |
---|---|
bin | 1001011011100011011011 |
3 | 11122121011022 |
4 | 21123203123 |
5 | 1113102110 |
6 | 124553055 |
7 | 30004310 |
oct | 11334333 |
9 | 4577138 |
10 | 2472155 |
11 | 1439404 |
12 | 9b278b |
13 | 68731a |
14 | 484d07 |
15 | 33c755 |
hex | 25b8db |
2472155 has 32 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1558656.
The previous prime is 2472143. The next prime is 2472167. The reversal of 2472155 is 5512742.
2472155 = T230 + T231 + ... + T299.
It is an interprime number because it is at equal distance from previous prime (2472143) and next prime (2472167).
It is a cyclic number.
It is not a de Polignac number, because 2472155 - 26 = 2472091 is a prime.
It is a super-2 number, since 2×24721552 = 12223100688050, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29744 + ... + 29826.
It is an arithmetic number, because the mean of its divisors is an integer number (114912).
22472155 is an apocalyptic number.
2472155 is a deficient number, since it is larger than the sum of its proper divisors (1205029).
2472155 is a wasteful number, since it uses less digits than its factorization.
2472155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155.
The product of its digits is 2800, while the sum is 26.
The square root of 2472155 is about 1572.3088119069. The cubic root of 2472155 is about 135.2151120148.
Adding to 2472155 its reverse (5512742), we get a palindrome (7984897).
The spelling of 2472155 in words is "two million, four hundred seventy-two thousand, one hundred fifty-five".
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