Base | Representation |
---|---|
bin | 110100111001010… |
… | …010000011101001 |
3 | 2021211212012000200 |
4 | 310321102003221 |
5 | 3304140301101 |
6 | 224020422413 |
7 | 30664020363 |
oct | 6471220351 |
9 | 2254765020 |
10 | 887431401 |
11 | 415a2838a |
12 | 209247a09 |
13 | 111b1594c |
14 | 85c07d33 |
15 | 52d97986 |
hex | 34e520e9 |
887431401 has 12 divisors (see below), whose sum is σ = 1283034480. Its totient is φ = 591072120.
The previous prime is 887431397. The next prime is 887431403. The reversal of 887431401 is 104134788.
It is not a de Polignac number, because 887431401 - 22 = 887431397 is a prime.
It is not an unprimeable number, because it can be changed into a prime (887431403) 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, 35371 + ... + 55008.
It is an arithmetic number, because the mean of its divisors is an integer number (106919540).
Almost surely, 2887431401 is an apocalyptic number.
It is an amenable number.
887431401 is a deficient number, since it is larger than the sum of its proper divisors (395603079).
887431401 is a wasteful number, since it uses less digits than its factorization.
887431401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91476 (or 91473 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 887431401 is about 29789.7868572435. The cubic root of 887431401 is about 960.9739107314.
The spelling of 887431401 in words is "eight hundred eighty-seven million, four hundred thirty-one thousand, four hundred one".
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