Search a number
-
+
1043024420 = 225415921559
BaseRepresentation
bin111110001010110…
…100101000100100
32200200122010112002
4332022310220210
54114003240140
6251255344432
734563363344
oct7612645044
92620563462
101043024420
1149583a759
12251382118
13138122519
149c74ad24
156187e415
hex3e2b4a24

1043024420 has 48 divisors (see below), whose sum is σ = 2281910400. Its totient is φ = 400116480.

The previous prime is 1043024417. The next prime is 1043024459. The reversal of 1043024420 is 244203401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1043024392 and 1043024401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37601 + ... + 59159.

It is an arithmetic number, because the mean of its divisors is an integer number (47539800).

Almost surely, 21043024420 is an apocalyptic number.

1043024420 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 1043024420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140955200).

1043024420 is an abundant number, since it is smaller than the sum of its proper divisors (1238885980).

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

1043024420 is a wasteful number, since it uses less digits than its factorization.

1043024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21668 (or 21666 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1043024420 is about 32295.8885928225. Note that the first 3 decimals coincide. The cubic root of 1043024420 is about 1014.1405749757.

Adding to 1043024420 its reverse (244203401), we get a palindrome (1287227821).

The spelling of 1043024420 in words is "one billion, forty-three million, twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 59 82 118 164 205 236 295 410 590 820 1180 2419 4838 9676 12095 21559 24190 43118 48380 86236 107795 215590 431180 883919 1271981 1767838 2543962 3535676 4419595 5087924 6359905 8839190 12719810 17678380 25439620 52151221 104302442 208604884 260756105 521512210 1043024420