Base | Representation |
---|---|
bin | 1000010110010… |
… | …00000011011100 |
3 | 11212202122211200 |
4 | 10023020003130 |
5 | 120411303221 |
6 | 10540515500 |
7 | 1510130535 |
oct | 413100334 |
9 | 155678750 |
10 | 70025436 |
11 | 36589168 |
12 | 1b54bb90 |
13 | 1167a290 |
14 | 942b68c |
15 | 6233426 |
hex | 42c80dc |
70025436 has 36 divisors (see below), whose sum is σ = 190626072. Its totient is φ = 21546144.
The previous prime is 70025429. The next prime is 70025437. The reversal of 70025436 is 63452007.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70025437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74346 + ... + 75281.
Almost surely, 270025436 is an apocalyptic number.
It is an amenable number.
70025436 is an abundant number, since it is smaller than the sum of its proper divisors (120600636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70025436 is a wasteful number, since it uses less digits than its factorization.
70025436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149650 (or 149645 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 70025436 is about 8368.1202190217. The cubic root of 70025436 is about 412.1784425133.
The spelling of 70025436 in words is "seventy million, twenty-five thousand, four hundred thirty-six".
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