Base | Representation |
---|---|
bin | 1011100111000… |
… | …0001110101111 |
3 | 10101121220212120 |
4 | 2321300032233 |
5 | 44431203231 |
6 | 4455404023 |
7 | 1130615400 |
oct | 271601657 |
9 | 111556776 |
10 | 48694191 |
11 | 25539737 |
12 | 14383613 |
13 | a11bc40 |
14 | 66779a7 |
15 | 441cd96 |
hex | 2e703af |
48694191 has 48 divisors (see below), whose sum is σ = 82583424. Its totient is φ = 25292736.
The previous prime is 48694181. The next prime is 48694201. The reversal of 48694191 is 19149684.
It is an interprime number because it is at equal distance from previous prime (48694181) and next prime (48694201).
It is not a de Polignac number, because 48694191 - 25 = 48694159 is a prime.
It is a super-2 number, since 2×486941912 = 4742248474288962, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48694181) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158460 + ... + 158766.
It is an arithmetic number, because the mean of its divisors is an integer number (1720488).
Almost surely, 248694191 is an apocalyptic number.
48694191 is a deficient number, since it is larger than the sum of its proper divisors (33889233).
48694191 is a wasteful number, since it uses less digits than its factorization.
48694191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420 (or 413 counting only the distinct ones).
The product of its digits is 62208, while the sum is 42.
The square root of 48694191 is about 6978.1223119117. The cubic root of 48694191 is about 365.1677242544.
The spelling of 48694191 in words is "forty-eight million, six hundred ninety-four thousand, one hundred ninety-one".
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