Base | Representation |
---|---|
bin | 1101100100111… |
… | …1100110010110 |
3 | 10222011022112111 |
4 | 3121033212112 |
5 | 104034333032 |
6 | 5352341234 |
7 | 1261026325 |
oct | 331174626 |
9 | 128138474 |
10 | 56949142 |
11 | 2a167808 |
12 | 170a481a |
13 | ba4c423 |
14 | 77c60bc |
15 | 4eedc47 |
hex | 364f996 |
56949142 has 16 divisors (see below), whose sum is σ = 88728480. Its totient is φ = 27390528.
The previous prime is 56949107. The next prime is 56949143. The reversal of 56949142 is 24194965.
56949142 = T268 + T269 + ... + T711.
It is a junction number, because it is equal to n+sod(n) for n = 56949095 and 56949104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56949143) 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, 2263 + ... + 10909.
It is an arithmetic number, because the mean of its divisors is an integer number (5545530).
Almost surely, 256949142 is an apocalyptic number.
56949142 is a deficient number, since it is larger than the sum of its proper divisors (31779338).
56949142 is a wasteful number, since it uses less digits than its factorization.
56949142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8775.
The product of its digits is 77760, while the sum is 40.
The square root of 56949142 is about 7546.4655302996. The cubic root of 56949142 is about 384.7356187934.
The spelling of 56949142 in words is "fifty-six million, nine hundred forty-nine thousand, one hundred forty-two".
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