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885015040 = 29571329131
BaseRepresentation
bin110100110000000…
…100001000000000
32021200022102101211
4310300010020000
53303030440130
6223452535504
730634334530
oct6460041000
92250272354
10885015040
11414627998
12208481594
1311147ab50
14857794c0
1552a6ba2a
hex34c04200

885015040 has 320 divisors, whose sum is σ = 2722325760. Its totient is φ = 268369920.

The previous prime is 885015013. The next prime is 885015049. The reversal of 885015040 is 40510588.

It is a tau number, because it is divible by the number of its divisors (320).

It is a junction number, because it is equal to n+sod(n) for n = 885014993 and 885015011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885015049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6755775 + ... + 6755905.

It is an arithmetic number, because the mean of its divisors is an integer number (8507268).

Almost surely, 2885015040 is an apocalyptic number.

885015040 is a gapful number since it is divisible by the number (80) 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 885015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361162880).

885015040 is an abundant number, since it is smaller than the sum of its proper divisors (1837310720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

885015040 is a wasteful number, since it uses less digits than its factorization.

885015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 885015040 is about 29749.2023422478. The cubic root of 885015040 is about 960.1009153173.

The spelling of 885015040 in words is "eight hundred eighty-five million, fifteen thousand, forty".