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1481342020 = 225565713093
BaseRepresentation
bin101100001001011…
…0111110001000100
310211020101222020021
41120102313301010
511013210421040
6402554144524
751465125254
oct13022676104
93736358207
101481342020
116a01a7204
12354122144
131a7b8b952
14100a47964
158a0b124a
hex584b7c44

1481342020 has 24 divisors (see below), whose sum is σ = 3111605784. Its totient is φ = 592386816.

The previous prime is 1481341987. The next prime is 1481342029. The reversal of 1481342020 is 202431841.

It can be written as a sum of positive squares in 4 ways, for example, as 150405696 + 1330936324 = 12264^2 + 36482^2 .

It is not an unprimeable number, because it can be changed into a prime (1481342029) 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, 106594 + ... + 119686.

It is an arithmetic number, because the mean of its divisors is an integer number (129650241).

Almost surely, 21481342020 is an apocalyptic number.

1481342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481342020 is an abundant number, since it is smaller than the sum of its proper divisors (1630263764).

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

1481342020 is a wasteful number, since it uses less digits than its factorization.

1481342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18759 (or 18757 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1481342020 is about 38488.2062455501. The cubic root of 1481342020 is about 1139.9481919618.

Adding to 1481342020 its reverse (202431841), we get a palindrome (1683773861).

The spelling of 1481342020 in words is "one billion, four hundred eighty-one million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 5657 11314 13093 22628 26186 28285 52372 56570 65465 113140 130930 261860 74067101 148134202 296268404 370335505 740671010 1481342020