Base | Representation |
---|---|
bin | 1001011001110… |
… | …00101101000101 |
3 | 12111102021210101 |
4 | 10230320231011 |
5 | 130143003321 |
6 | 11454324101 |
7 | 1645300420 |
oct | 454705505 |
9 | 174367711 |
10 | 78875461 |
11 | 40583335 |
12 | 224b9631 |
13 | 13458592 |
14 | a6929b7 |
15 | 6dd0791 |
hex | 4b38b45 |
78875461 has 8 divisors (see below), whose sum is σ = 95446080. Its totient is φ = 63630528.
The previous prime is 78875437. The next prime is 78875483. The reversal of 78875461 is 16457887.
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 78875461 - 29 = 78874949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78875161) 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, 331291 + ... + 331528.
It is an arithmetic number, because the mean of its divisors is an integer number (11930760).
Almost surely, 278875461 is an apocalyptic number.
It is an amenable number.
78875461 is a deficient number, since it is larger than the sum of its proper divisors (16570619).
78875461 is a wasteful number, since it uses less digits than its factorization.
78875461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662843.
The product of its digits is 376320, while the sum is 46.
The square root of 78875461 is about 8881.1857879452. The cubic root of 78875461 is about 428.8584485984.
The spelling of 78875461 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred sixty-one".
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