Base | Representation |
---|---|
bin | 1111110100110110010111 |
3 | 21210202212000 |
4 | 33310312113 |
5 | 2030224011 |
6 | 224530343 |
7 | 50156064 |
oct | 17646627 |
9 | 7722760 |
10 | 4148631 |
11 | 2383a23 |
12 | 14809b3 |
13 | b23416 |
14 | 79dc6b |
15 | 56e356 |
hex | 3f4d97 |
4148631 has 16 divisors (see below), whose sum is σ = 6470400. Its totient is φ = 2619864.
The previous prime is 4148621. The next prime is 4148633. The reversal of 4148631 is 1368414.
It is not a de Polignac number, because 4148631 - 26 = 4148567 is a prime.
It is a super-2 number, since 2×41486312 = 34422278348322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 4148595 and 4148604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4148633) 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, 3531 + ... + 4556.
It is an arithmetic number, because the mean of its divisors is an integer number (404400).
Almost surely, 24148631 is an apocalyptic number.
4148631 is a deficient number, since it is larger than the sum of its proper divisors (2321769).
4148631 is a wasteful number, since it uses less digits than its factorization.
4148631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8115 (or 8109 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 4148631 is about 2036.8188431964. The cubic root of 4148631 is about 160.6823850334.
It can be divided in two parts, 414 and 8631, that added together give a triangular number (9045 = T134).
The spelling of 4148631 in words is "four million, one hundred forty-eight thousand, six hundred thirty-one".
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