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887213920 = 2555545087
BaseRepresentation
bin110100111000011…
…100111101100000
32021211110010200211
4310320130331200
53304111321140
6224012023504
730662123335
oct6470347540
92254403624
10887213920
11415899a4a
12209161b94
13111a6a968
1485b8c98c
1552d532ea
hex34e1cf60

887213920 has 24 divisors (see below), whose sum is σ = 2096043264. Its totient is φ = 354885504.

The previous prime is 887213897. The next prime is 887213927. The reversal of 887213920 is 29312788.

887213920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887213927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772384 + ... + 2772703.

It is an arithmetic number, because the mean of its divisors is an integer number (87335136).

Almost surely, 2887213920 is an apocalyptic number.

887213920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

887213920 is an abundant number, since it is smaller than the sum of its proper divisors (1208829344).

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

887213920 is a wasteful number, since it uses less digits than its factorization.

887213920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545102 (or 5545094 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 887213920 is about 29786.1363724804. The cubic root of 887213920 is about 960.8954030136.

The spelling of 887213920 in words is "eight hundred eighty-seven million, two hundred thirteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 5545087 11090174 22180348 27725435 44360696 55450870 88721392 110901740 177442784 221803480 443606960 887213920