Search a number
-
+
2305032520 = 2357229107379
BaseRepresentation
bin1000100101100100…
…0000000101001000
312221122022210011211
42021121000011020
514210042020040
61020420502504
7111056311300
oct21131000510
95848283154
102305032520
11a8314905a
12543b4aa34
132a971798b
1417c1bc600
15d75678ea
hex89640148

2305032520 has 192 divisors, whose sum is σ = 6316056000. Its totient is φ = 753919488.

The previous prime is 2305032517. The next prime is 2305032539. The reversal of 2305032520 is 252305032.

It is a junction number, because it is equal to n+sod(n) for n = 2305032491 and 2305032500.

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, 6081691 + ... + 6082069.

It is an arithmetic number, because the mean of its divisors is an integer number (32896125).

Almost surely, 22305032520 is an apocalyptic number.

2305032520 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 2305032520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3158028000).

2305032520 is an abundant number, since it is smaller than the sum of its proper divisors (4011023480).

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

2305032520 is a wasteful number, since it uses less digits than its factorization.

2305032520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2305032520 is about 48010.7542119471. The cubic root of 2305032520 is about 1320.9681678892.

Adding to 2305032520 its reverse (252305032), we get a palindrome (2557337552).

The spelling of 2305032520 in words is "two billion, three hundred five million, thirty-two thousand, five hundred twenty".