Base | Representation |
---|---|
bin | 1100010001001… |
… | …0100000111100 |
3 | 10120211020110000 |
4 | 3010102200330 |
5 | 101133043220 |
6 | 5034514300 |
7 | 1163240445 |
oct | 304224074 |
9 | 116736400 |
10 | 51456060 |
11 | 27055777 |
12 | 15295990 |
13 | a878096 |
14 | 6b962cc |
15 | 47b6390 |
hex | 311283c |
51456060 has 120 divisors (see below), whose sum is σ = 168559776. Its totient is φ = 13115520.
The previous prime is 51456049. The next prime is 51456061. The reversal of 51456060 is 6065415.
It is a happy number.
51456060 is a `hidden beast` number, since 51 + 4 + 5 + 606 + 0 = 666.
It is a super-2 number, since 2×514560602 = 5295452221447200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51456061) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36570 + ... + 37950.
Almost surely, 251456060 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51456060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84279888).
51456060 is an abundant number, since it is smaller than the sum of its proper divisors (117103716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51456060 is a wasteful number, since it uses less digits than its factorization.
51456060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1425 (or 1414 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 51456060 is about 7173.2879490510. The cubic root of 51456060 is about 371.9451011597.
The spelling of 51456060 in words is "fifty-one million, four hundred fifty-six thousand, sixty".
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