Search a number
-
+
2134223240 = 235508110501
BaseRepresentation
bin111111100110101…
…1010100110001000
312111201220202220012
41333031122212020
513332330120430
6551435451052
7103613412122
oct17715324610
95451822805
102134223240
119a5793566
124b68b6a88
132802111b6
14163638212
15c7577695
hex7f35a988

2134223240 has 32 divisors (see below), whose sum is σ = 4803404760. Its totient is φ = 853440000.

The previous prime is 2134223227. The next prime is 2134223243. The reversal of 2134223240 is 423224312.

It can be written as a sum of positive squares in 4 ways, for example, as 1094418724 + 1039804516 = 33082^2 + 32246^2 .

It is not an unprimeable number, because it can be changed into a prime (2134223243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197990 + ... + 208490.

Almost surely, 22134223240 is an apocalyptic number.

2134223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134223240 is an abundant number, since it is smaller than the sum of its proper divisors (2669181520).

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

2134223240 is a wasteful number, since it uses less digits than its factorization.

2134223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593 (or 15589 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2134223240 is about 46197.6540529928. The cubic root of 2134223240 is about 1287.4981536405.

Adding to 2134223240 its reverse (423224312), we get a palindrome (2557447552).

The spelling of 2134223240 in words is "two billion, one hundred thirty-four million, two hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5081 10162 10501 20324 21002 25405 40648 42004 50810 52505 84008 101620 105010 203240 210020 420040 53355581 106711162 213422324 266777905 426844648 533555810 1067111620 2134223240