Base | Representation |
---|---|
bin | 101111110000100… |
… | …011001110111011 |
3 | 2001211201001010012 |
4 | 233300203032323 |
5 | 3120110201004 |
6 | 211301412135 |
7 | 25566365300 |
oct | 5760431673 |
9 | 2054631105 |
10 | 801256379 |
11 | 381319860 |
12 | 1a440a04b |
13 | ca002a01 |
14 | 785b50a7 |
15 | 4a52446e |
hex | 2fc233bb |
801256379 has 12 divisors (see below), whose sum is σ = 1016808408. Its totient is φ = 624355200.
The previous prime is 801256363. The next prime is 801256381. The reversal of 801256379 is 973652108.
It is not a de Polignac number, because 801256379 - 24 = 801256363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (801256679) 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, 742742 + ... + 743819.
It is an arithmetic number, because the mean of its divisors is an integer number (84734034).
Almost surely, 2801256379 is an apocalyptic number.
801256379 is a deficient number, since it is larger than the sum of its proper divisors (215552029).
801256379 is a wasteful number, since it uses less digits than its factorization.
801256379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1486586 (or 1486579 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 801256379 is about 28306.4723870708. The cubic root of 801256379 is about 928.8034787733.
The spelling of 801256379 in words is "eight hundred one million, two hundred fifty-six thousand, three hundred seventy-nine".
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