Search a number
-
+
875447040 = 28351321971
BaseRepresentation
bin110100001011100…
…100001100000000
32021000022022120110
4310023210030000
53243103301130
6222511511320
730460114506
oct6413441400
92230268513
10875447040
1140a192356
12205228540
1310c4aab00
14843a8676
1551ccbab0
hex342e4300

875447040 has 432 divisors, whose sum is σ = 3231809280. Its totient is φ = 201277440.

The previous prime is 875447029. The next prime is 875447063. The reversal of 875447040 is 40744578.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 875447040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12330205 + ... + 12330275.

It is an arithmetic number, because the mean of its divisors is an integer number (7481040).

Almost surely, 2875447040 is an apocalyptic number.

875447040 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 875447040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615904640).

875447040 is an abundant number, since it is smaller than the sum of its proper divisors (2356362240).

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

875447040 is a wasteful number, since it uses less digits than its factorization.

875447040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 875447040 is about 29587.9543057644. The cubic root of 875447040 is about 956.6284506554.

The spelling of 875447040 in words is "eight hundred seventy-five million, four hundred forty-seven thousand, forty".