Base | Representation |
---|---|
bin | 110011111111011… |
… | …000100111000000 |
3 | 2020210022002101120 |
4 | 303333120213000 |
5 | 3241244111023 |
6 | 222315232240 |
7 | 30421015152 |
oct | 6377304700 |
9 | 2223262346 |
10 | 872253888 |
11 | 408401290 |
12 | 204148680 |
13 | 10b93057c |
14 | 83bb6ad2 |
15 | 5189a8e3 |
hex | 33fd89c0 |
872253888 has 112 divisors (see below), whose sum is σ = 2529010944. Its totient is φ = 263127040.
The previous prime is 872253883. The next prime is 872253911. The reversal of 872253888 is 888352278.
It is a super-2 number, since 2×8722538882 = 1521653690262233088, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 872253888.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872253883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541981 + ... + 543587.
Almost surely, 2872253888 is an apocalyptic number.
872253888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 872253888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264505472).
872253888 is an abundant number, since it is smaller than the sum of its proper divisors (1656757056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872253888 is a wasteful number, since it uses less digits than its factorization.
872253888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1890 (or 1880 counting only the distinct ones).
The product of its digits is 1720320, while the sum is 51.
The square root of 872253888 is about 29533.9446738833. The cubic root of 872253888 is about 955.4639478873.
The spelling of 872253888 in words is "eight hundred seventy-two million, two hundred fifty-three thousand, eight hundred eighty-eight".
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