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1023234040 = 23535372467
BaseRepresentation
bin111100111111010…
…100111111111000
32122022101200020001
4330333110333320
54043421442130
6245311242344
734233226423
oct7477247770
92568350201
101023234040
11485652974
122468193b4
13133cb363a
1499c789ba
155ec706ca
hex3cfd4ff8

1023234040 has 32 divisors (see below), whose sum is σ = 2308830480. Its totient is φ = 408128512.

The previous prime is 1023234031. The next prime is 1023234041. The reversal of 1023234040 is 404323201.

It is a super-2 number, since 2×10232340402 = 2094015801229443200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023233999 and 1023234017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023234041) 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, 22114 + ... + 50353.

Almost surely, 21023234040 is an apocalyptic number.

1023234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023234040 is an abundant number, since it is smaller than the sum of its proper divisors (1285596440).

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

1023234040 is a wasteful number, since it uses less digits than its factorization.

1023234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72831 (or 72827 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1023234040 is about 31988.0296360998. The cubic root of 1023234040 is about 1007.6854623511.

Adding to 1023234040 its reverse (404323201), we get a palindrome (1427557241).

The spelling of 1023234040 in words is "one billion, twenty-three million, two hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 353 706 1412 1765 2824 3530 7060 14120 72467 144934 289868 362335 579736 724670 1449340 2898680 25580851 51161702 102323404 127904255 204646808 255808510 511617020 1023234040