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1241042020 = 22562052101
BaseRepresentation
bin100100111111000…
…1100110001100100
310012111020110121021
41021332030301210
510020201321040
6323051500524
742516453211
oct11176146144
93174213537
101241042020
11587599269
122a7757744
1316a1643ba
14bab74b08
1573e4624a
hex49f8cc64

1241042020 has 12 divisors (see below), whose sum is σ = 2606188284. Its totient is φ = 496416800.

The previous prime is 1241042017. The next prime is 1241042029. The reversal of 1241042020 is 202401421.

It can be written as a sum of positive squares in 2 ways, for example, as 680583744 + 560458276 = 26088^2 + 23674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1241041985 and 1241042003.

It is not an unprimeable number, because it can be changed into a prime (1241042029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31026031 + ... + 31026070.

It is an arithmetic number, because the mean of its divisors is an integer number (217182357).

Almost surely, 21241042020 is an apocalyptic number.

1241042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241042020 is an abundant number, since it is smaller than the sum of its proper divisors (1365146264).

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

1241042020 is a wasteful number, since it uses less digits than its factorization.

1241042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62052110 (or 62052108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1241042020 is about 35228.4263060387. The cubic root of 1241042020 is about 1074.6379224083.

Adding to 1241042020 its reverse (202401421), we get a palindrome (1443443441).

The spelling of 1241042020 in words is "one billion, two hundred forty-one million, forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 62052101 124104202 248208404 310260505 620521010 1241042020