Base | Representation |
---|---|
bin | 1000011001100… |
… | …11010101110001 |
3 | 11220120222122102 |
4 | 10030303111301 |
5 | 121014334011 |
6 | 10554150145 |
7 | 1513640654 |
oct | 414632561 |
9 | 156528572 |
10 | 70464881 |
11 | 36859343 |
12 | 1b722355 |
13 | 117a22c6 |
14 | 950389b |
15 | 62bd73b |
hex | 4333571 |
70464881 has 8 divisors (see below), whose sum is σ = 74696544. Its totient is φ = 66242880.
The previous prime is 70464871. The next prime is 70464887. The reversal of 70464881 is 18846407.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70464881 - 222 = 66270577 is a prime.
It is a super-2 number, since 2×704648812 = 9930598908688322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70464887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17246 + ... + 20936.
It is an arithmetic number, because the mean of its divisors is an integer number (9337068).
Almost surely, 270464881 is an apocalyptic number.
It is an amenable number.
70464881 is a deficient number, since it is larger than the sum of its proper divisors (4231663).
70464881 is a wasteful number, since it uses less digits than its factorization.
70464881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4831.
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 70464881 is about 8394.3362453502. The cubic root of 70464881 is about 413.0388545192.
The spelling of 70464881 in words is "seventy million, four hundred sixty-four thousand, eight hundred eighty-one".
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