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1043232020 = 225371409773
BaseRepresentation
bin111110001011100…
…111010100010100
32200201000200021222
4332023213110110
54114031411040
6251304025512
734565216525
oct7613472424
92621020258
101043232020
11495971726
12251462298
13138195b6c
149c7a284c
15618c0bb5
hex3e2e7514

1043232020 has 24 divisors (see below), whose sum is σ = 2249999304. Its totient is φ = 406014336.

The previous prime is 1043232017. The next prime is 1043232023. The reversal of 1043232020 is 202323401.

It is an interprime number because it is at equal distance from previous prime (1043232017) and next prime (1043232023).

It can be written as a sum of positive squares in 4 ways, for example, as 140469904 + 902762116 = 11852^2 + 30046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1043232020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043232023) 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, 704147 + ... + 705626.

It is an arithmetic number, because the mean of its divisors is an integer number (93749971).

Almost surely, 21043232020 is an apocalyptic number.

1043232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043232020 is an abundant number, since it is smaller than the sum of its proper divisors (1206767284).

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

1043232020 is a wasteful number, since it uses less digits than its factorization.

1043232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409819 (or 1409817 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1043232020 is about 32299.1024643101. The cubic root of 1043232020 is about 1014.2078541985.

Adding to 1043232020 its reverse (202323401), we get a palindrome (1245555421).

The spelling of 1043232020 in words is "one billion, forty-three million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1409773 2819546 5639092 7048865 14097730 28195460 52161601 104323202 208646404 260808005 521616010 1043232020