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1033142240 = 25513496703
BaseRepresentation
bin111101100101000…
…111111111100000
32200000001001201102
4331211013333200
54103441022430
6250303453532
734413364334
oct7545077740
92600031642
101033142240
11490200069
12249bb72a8
13136072490
149b2d77c4
1560a7b345
hex3d947fe0

1033142240 has 48 divisors (see below), whose sum is σ = 2628557568. Its totient is φ = 381467136.

The previous prime is 1033142213. The next prime is 1033142249. The reversal of 1033142240 is 422413301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033142249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246272 + ... + 250431.

It is an arithmetic number, because the mean of its divisors is an integer number (54761616).

Almost surely, 21033142240 is an apocalyptic number.

1033142240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033142240 is an abundant number, since it is smaller than the sum of its proper divisors (1595415328).

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

1033142240 is a wasteful number, since it uses less digits than its factorization.

1033142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496731 (or 496723 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1033142240 is about 32142.5300808757. The cubic root of 1033142240 is about 1010.9275666604.

Adding to 1033142240 its reverse (422413301), we get a palindrome (1455555541).

The spelling of 1033142240 in words is "one billion, thirty-three million, one hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 496703 993406 1986812 2483515 3973624 4967030 6457139 7947248 9934060 12914278 15894496 19868120 25828556 32285695 39736240 51657112 64571390 79472480 103314224 129142780 206628448 258285560 516571120 1033142240