Base | Representation |
---|---|
bin | 1000011010110… |
… | …01001101001000 |
3 | 11220212212101200 |
4 | 10031121031020 |
5 | 121034314401 |
6 | 11001344200 |
7 | 1515155100 |
oct | 415311510 |
9 | 156785350 |
10 | 70619976 |
11 | 36954919 |
12 | 1b798060 |
13 | 11827a8b |
14 | 9544200 |
15 | 62ee686 |
hex | 4359348 |
70619976 has 144 divisors (see below), whose sum is σ = 228924540. Its totient is φ = 19595520.
The previous prime is 70619963. The next prime is 70620007. The reversal of 70619976 is 67991607.
70619976 = T216 + T217 + ... + T756.
It can be written as a sum of positive squares in 2 ways, for example, as 68459076 + 2160900 = 8274^2 + 1470^2 .
It is a nialpdrome in base 14.
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 35 ways as a sum of consecutive naturals, for example, 130266 + ... + 130806.
Almost surely, 270619976 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 70619976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114462270).
70619976 is an abundant number, since it is smaller than the sum of its proper divisors (158304564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70619976 is a wasteful number, since it uses less digits than its factorization.
70619976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604 (or 590 counting only the distinct ones).
The product of its (nonzero) digits is 142884, while the sum is 45.
The square root of 70619976 is about 8403.5692416972. The cubic root of 70619976 is about 413.3416688110.
The spelling of 70619976 in words is "seventy million, six hundred nineteen thousand, nine hundred seventy-six".
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