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2323531980 = 223557211887
BaseRepresentation
bin1000101001111110…
…0100100011001100
312222221010122200000
42022133210203030
514224311010410
61022321204300
7111402460500
oct21237444314
95887118600
102323531980
11a92633a70
1254a190690
132b04c40c3
14180836300
15d8ebddc0
hex8a7e48cc

2323531980 has 432 divisors, whose sum is σ = 9285808896. Its totient is φ = 482267520.

The previous prime is 2323531937. The next prime is 2323531981. The reversal of 2323531980 is 891353232.

2323531980 is a `hidden beast` number, since 2 + 32 + 3 + 531 + 98 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2323531981) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2619097 + ... + 2619983.

It is an arithmetic number, because the mean of its divisors is an integer number (21494928).

Almost surely, 22323531980 is an apocalyptic number.

2323531980 is a gapful number since it is divisible by the number (20) 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 2323531980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642904448).

2323531980 is an abundant number, since it is smaller than the sum of its proper divisors (6962276916).

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

2323531980 is a wasteful number, since it uses less digits than its factorization.

2323531980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2323531980 is about 48203.0287430157. The cubic root of 2323531980 is about 1324.4926463861.

The spelling of 2323531980 in words is "two billion, three hundred twenty-three million, five hundred thirty-one thousand, nine hundred eighty".