Base | Representation |
---|---|
bin | 1000010110001… |
… | …11111101011011 |
3 | 11212202122022102 |
4 | 10023013331123 |
5 | 120411300201 |
6 | 10540514015 |
7 | 1510126445 |
oct | 413077533 |
9 | 155678272 |
10 | 70025051 |
11 | 36588948 |
12 | 1b54b90b |
13 | 1167a055 |
14 | 942b495 |
15 | 623326b |
hex | 42c7f5b |
70025051 has 8 divisors (see below), whose sum is σ = 73804800. Its totient is φ = 66254760.
The previous prime is 70025009. The next prime is 70025069. The reversal of 70025051 is 15052007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70025051 - 26 = 70024987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70025551) 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, 16970 + ... + 20688.
It is an arithmetic number, because the mean of its divisors is an integer number (9225600).
Almost surely, 270025051 is an apocalyptic number.
70025051 is a deficient number, since it is larger than the sum of its proper divisors (3779749).
70025051 is a wasteful number, since it uses less digits than its factorization.
70025051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4729.
The product of its (nonzero) digits is 350, while the sum is 20.
The square root of 70025051 is about 8368.0972150185. The cubic root of 70025051 is about 412.1776871259.
Adding to 70025051 its reverse (15052007), we get a palindrome (85077058).
The spelling of 70025051 in words is "seventy million, twenty-five thousand, fifty-one".
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