Search a number
-
+
4235500820 = 2251491421309
BaseRepresentation
bin1111110001110100…
…1001110100010100
3101221011211201211202
43330131021310110
532133242011240
61540141252032
7206650106615
oct37435116424
911834751752
104235500820
111883914501
129a2564018
13526658705
142c2737c0c
1519bc93315
hexfc749d14

4235500820 has 24 divisors (see below), whose sum is σ = 8954253000. Its totient is φ = 1682828672.

The previous prime is 4235500793. The next prime is 4235500861. The reversal of 4235500820 is 280055324.

It can be written as a sum of positive squares in 4 ways, for example, as 76282756 + 4159218064 = 8734^2 + 64492^2 .

It is a congruent number.

It is an unprimeable number.

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, 707675 + ... + 713634.

It is an arithmetic number, because the mean of its divisors is an integer number (373093875).

Almost surely, 24235500820 is an apocalyptic number.

It is an amenable number.

4235500820 is an abundant number, since it is smaller than the sum of its proper divisors (4718752180).

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

4235500820 is a wasteful number, since it uses less digits than its factorization.

4235500820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421467 (or 1421465 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4235500820 is about 65080.7254108311. The cubic root of 4235500820 is about 1617.9617738976.

The spelling of 4235500820 in words is "four billion, two hundred thirty-five million, five hundred thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 1421309 2842618 5685236 7106545 14213090 28426180 211775041 423550082 847100164 1058875205 2117750410 4235500820