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1042410020 = 22565379817
BaseRepresentation
bin111110001000011…
…110101000100100
32200122110220201112
4332020132220210
54113324110040
6251234244152
734555224161
oct7610365044
92618426645
101042410020
11495460093
12251126658
13137c68982
149c62b068
15617ac365
hex3e21ea24

1042410020 has 24 divisors (see below), whose sum is σ = 2192440824. Its totient is φ = 416320256.

The previous prime is 1042410013. The next prime is 1042410023. The reversal of 1042410020 is 200142401.

It can be written as a sum of positive squares in 4 ways, for example, as 10201636 + 1032208384 = 3194^2 + 32128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1042409977 and 1042410004.

It is not an unprimeable number, because it can be changed into a prime (1042410023) 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, 26849 + ... + 52968.

It is an arithmetic number, because the mean of its divisors is an integer number (91351701).

Almost surely, 21042410020 is an apocalyptic number.

1042410020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042410020 is an abundant number, since it is smaller than the sum of its proper divisors (1150030804).

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

1042410020 is a wasteful number, since it uses less digits than its factorization.

1042410020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80479 (or 80477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1042410020 is about 32286.3751449431. The cubic root of 1042410020 is about 1013.9414072663.

Adding to 1042410020 its reverse (200142401), we get a palindrome (1242552421).

The spelling of 1042410020 in words is "one billion, forty-two million, four hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 653 1306 2612 3265 6530 13060 79817 159634 319268 399085 798170 1596340 52120501 104241002 208482004 260602505 521205010 1042410020