Base | Representation |
---|---|
bin | 1101011110101… |
… | …0010001111110 |
3 | 10221101020021010 |
4 | 3113222101332 |
5 | 103433043032 |
6 | 5335420050 |
7 | 1254350400 |
oct | 327522176 |
9 | 127336233 |
10 | 56534142 |
11 | 29a03a35 |
12 | 16b24626 |
13 | b935572 |
14 | 7718b70 |
15 | 4e6accc |
hex | 35ea47e |
56534142 has 48 divisors (see below), whose sum is σ = 135793152. Its totient is φ = 15629040.
The previous prime is 56534141. The next prime is 56534143. The reversal of 56534142 is 24143565.
It is an interprime number because it is at equal distance from previous prime (56534141) and next prime (56534143).
It is a super-2 number, since 2×565341422 = 6392218423352328, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56534141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6013 + ... + 12215.
It is an arithmetic number, because the mean of its divisors is an integer number (2829024).
Almost surely, 256534142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56534142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67896576).
56534142 is an abundant number, since it is smaller than the sum of its proper divisors (79259010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56534142 is a wasteful number, since it uses less digits than its factorization.
56534142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6253 (or 6246 counting only the distinct ones).
The product of its digits is 14400, while the sum is 30.
The square root of 56534142 is about 7518.9189382517. The cubic root of 56534142 is about 383.7987905299.
The spelling of 56534142 in words is "fifty-six million, five hundred thirty-four thousand, one hundred forty-two".
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