Base | Representation |
---|---|
bin | 1000011101001… |
… | …00010000111100 |
3 | 11221110111010111 |
4 | 10032210100330 |
5 | 121124134140 |
6 | 11012115404 |
7 | 1520605324 |
oct | 416442074 |
9 | 157414114 |
10 | 70927420 |
11 | 37044903 |
12 | 1b905b64 |
13 | 119049b5 |
14 | 95c4284 |
15 | 63607ea |
hex | 43a443c |
70927420 has 12 divisors (see below), whose sum is σ = 148947624. Its totient is φ = 28370960.
The previous prime is 70927403. The next prime is 70927453. The reversal of 70927420 is 2472907.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773166 + ... + 1773205.
It is an arithmetic number, because the mean of its divisors is an integer number (12412302).
Almost surely, 270927420 is an apocalyptic number.
It is an amenable number.
70927420 is an abundant number, since it is smaller than the sum of its proper divisors (78020204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70927420 is a wasteful number, since it uses less digits than its factorization.
70927420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3546380 (or 3546378 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 70927420 is about 8421.8418413076. The cubic root of 70927420 is about 413.9406279845.
The spelling of 70927420 in words is "seventy million, nine hundred twenty-seven thousand, four hundred twenty".
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