Base | Representation |
---|---|
bin | 110100111010111… |
… | …101101000010100 |
3 | 2021212200120102220 |
4 | 310322331220110 |
5 | 3304243401040 |
6 | 224034102340 |
7 | 31000534110 |
oct | 6472755024 |
9 | 2255616386 |
10 | 887872020 |
11 | 4161a9432 |
12 | 20941a9b0 |
13 | 111c3b379 |
14 | 85cc0740 |
15 | 52e332d0 |
hex | 34ebda14 |
887872020 has 96 divisors (see below), whose sum is σ = 2845920000. Its totient is φ = 202604544.
The previous prime is 887872001. The next prime is 887872043. The reversal of 887872020 is 20278788.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321606 + ... + 324354.
It is an arithmetic number, because the mean of its divisors is an integer number (29645000).
Almost surely, 2887872020 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 887872020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422960000).
887872020 is an abundant number, since it is smaller than the sum of its proper divisors (1958047980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
887872020 is a wasteful number, since it uses less digits than its factorization.
887872020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3537 (or 3535 counting only the distinct ones).
The product of its (nonzero) digits is 100352, while the sum is 42.
The square root of 887872020 is about 29797.1814103281. The cubic root of 887872020 is about 961.1329289587.
The spelling of 887872020 in words is "eight hundred eighty-seven million, eight hundred seventy-two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •