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2320537340 = 2251128137537
BaseRepresentation
bin1000101001010000…
…1001011011111100
312222201111111210102
42022110021123330
514223024143330
61022133100232
7111335145662
oct21224113374
95881444712
102320537340
11a90979060
12549187678
132ac9b6024
14180296c32
15d8acb945
hex8a5096fc

2320537340 has 48 divisors (see below), whose sum is σ = 5335200864. Its totient is φ = 840806400.

The previous prime is 2320537339. The next prime is 2320537343. The reversal of 2320537340 is 437350232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320537343) 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, 43052 + ... + 80588.

It is an arithmetic number, because the mean of its divisors is an integer number (111150018).

Almost surely, 22320537340 is an apocalyptic number.

2320537340 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 2320537340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667600432).

2320537340 is an abundant number, since it is smaller than the sum of its proper divisors (3014663524).

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

2320537340 is a wasteful number, since it uses less digits than its factorization.

2320537340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37838 (or 37836 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 2320537340 is about 48171.9559494941. The cubic root of 2320537340 is about 1323.9233860372.

Adding to 2320537340 its reverse (437350232), we get a palindrome (2757887572).

The spelling of 2320537340 in words is "two billion, three hundred twenty million, five hundred thirty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 281 562 1124 1405 2810 3091 5620 6182 12364 15455 30910 37537 61820 75074 150148 187685 375370 412907 750740 825814 1651628 2064535 4129070 8258140 10547897 21095794 42191588 52739485 105478970 116026867 210957940 232053734 464107468 580134335 1160268670 2320537340