Base | Representation |
---|---|
bin | 1101100100001… |
… | …0001011000001 |
3 | 10222001112002120 |
4 | 3121002023001 |
5 | 104031103040 |
6 | 5351234453 |
7 | 1260410100 |
oct | 331021301 |
9 | 128045076 |
10 | 56894145 |
11 | 2a12a460 |
12 | 17078a29 |
13 | ba30399 |
14 | 77b0037 |
15 | 4edc7d0 |
hex | 36422c1 |
56894145 has 96 divisors (see below), whose sum is σ = 119771136. Its totient is φ = 22780800.
The previous prime is 56894129. The next prime is 56894153. The reversal of 56894145 is 54149865.
It is not a de Polignac number, because 56894145 - 24 = 56894129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56894097 and 56894106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250522 + ... + 250748.
It is an arithmetic number, because the mean of its divisors is an integer number (1247616).
Almost surely, 256894145 is an apocalyptic number.
56894145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
56894145 is an abundant number, since it is smaller than the sum of its proper divisors (62876991).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56894145 is a wasteful number, since it uses less digits than its factorization.
56894145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291 (or 284 counting only the distinct ones).
The product of its digits is 172800, while the sum is 42.
The square root of 56894145 is about 7542.8207588408. The cubic root of 56894145 is about 384.6117297755.
The spelling of 56894145 in words is "fifty-six million, eight hundred ninety-four thousand, one hundred forty-five".
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