Search a number
-
+
913075020 = 223251113191867
BaseRepresentation
bin110110011011000…
…110101101001100
32100122010000110100
4312123012231030
53332221400040
6230334211100
731425003204
oct6633065514
92318100410
10913075020
11429452860
12215953a90
13117223aa0
14893a1404
1555260b30
hex366c6b4c

913075020 has 288 divisors, whose sum is σ = 3426958080. Its totient is φ = 193466880.

The previous prime is 913075019. The next prime is 913075057. The reversal of 913075020 is 20570319.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 488127 + ... + 489993.

It is an arithmetic number, because the mean of its divisors is an integer number (11899160).

Almost surely, 2913075020 is an apocalyptic number.

913075020 is a gapful number since it is divisible by the number (90) 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 913075020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713479040).

913075020 is an abundant number, since it is smaller than the sum of its proper divisors (2513883060).

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

913075020 is a wasteful number, since it uses less digits than its factorization.

913075020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 913075020 is about 30217.1312337886. The cubic root of 913075020 is about 970.1424030135.

The spelling of 913075020 in words is "nine hundred thirteen million, seventy-five thousand, twenty".