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1004200000 = 26555021
BaseRepresentation
bin111011110110101…
…110000001000000
32120222120122102121
4323312232001000
54024033400000
6243351254024
733612362536
oct7366560100
92528518377
101004200000
11475932361
1224037a314
1313007aaab
1497522156
155d260b1a
hex3bdae040

1004200000 has 84 divisors (see below), whose sum is σ = 2491223364. Its totient is φ = 401600000.

The previous prime is 1004199991. The next prime is 1004200039. The reversal of 1004200000 is 24001.

It can be written as a sum of positive squares in 6 ways, for example, as 619412544 + 384787456 = 24888^2 + 19616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197490 + ... + 202510.

It is an arithmetic number, because the mean of its divisors is an integer number (29657421).

Almost surely, 21004200000 is an apocalyptic number.

1004200000 is a gapful number since it is divisible by the number (10) 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 1004200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245611682).

1004200000 is an abundant number, since it is smaller than the sum of its proper divisors (1487023364).

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

1004200000 is an frugal number, since it uses more digits than its factorization.

1004200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1004200000 is about 31689.1148503709. The cubic root of 1004200000 is about 1001.3980445606.

Adding to 1004200000 its reverse (24001), we get a palindrome (1004224001).

The spelling of 1004200000 in words is "one billion, four million, two hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 5021 6250 8000 10000 10042 12500 20000 20084 25000 25105 40000 40168 50000 50210 80336 100000 100420 125525 160672 200000 200840 251050 321344 401680 502100 627625 803360 1004200 1255250 1606720 2008400 2510500 3138125 4016800 5021000 6276250 8033600 10042000 12552500 15690625 20084000 25105000 31381250 40168000 50210000 62762500 100420000 125525000 200840000 251050000 502100000 1004200000