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801389000 = 23532334843
BaseRepresentation
bin101111110001000…
…011100111001000
32001211221210001002
4233301003213020
53120123422000
6211304314132
725600460036
oct5761034710
92054853032
10801389000
113813aa465
121a4472948
13ca04b199
147860b556
154a54d8d5
hex2fc439c8

801389000 has 64 divisors (see below), whose sum is σ = 1956839040. Its totient is φ = 306609600.

The previous prime is 801388981. The next prime is 801389003. The reversal of 801389000 is 983108.

It is a happy number.

801389000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801389003) 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, 5579 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (30575610).

Almost surely, 2801389000 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 801389000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978419520).

801389000 is an abundant number, since it is smaller than the sum of its proper divisors (1155450040).

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

801389000 is a wasteful number, since it uses less digits than its factorization.

801389000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34887 (or 34873 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 801389000 is about 28308.8148815877. The cubic root of 801389000 is about 928.8547199881.

The spelling of 801389000 in words is "eight hundred one million, three hundred eighty-nine thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 125 184 200 230 250 460 500 575 920 1000 1150 2300 2875 4600 5750 11500 23000 34843 69686 139372 174215 278744 348430 696860 801389 871075 1393720 1602778 1742150 3205556 3484300 4006945 4355375 6411112 6968600 8013890 8710750 16027780 17421500 20034725 32055560 34843000 40069450 80138900 100173625 160277800 200347250 400694500 801389000