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1241424020 = 22562071201
BaseRepresentation
bin100100111111110…
…1010000010010100
310012111221212121102
41021333222002110
510020301032040
6323104005232
742522634004
oct11177520224
93174855542
101241424020
1158782a271
122a7900818
1316a269235
14bac34004
1573ebe515
hex49fea094

1241424020 has 12 divisors (see below), whose sum is σ = 2606990484. Its totient is φ = 496569600.

The previous prime is 1241424013. The next prime is 1241424049. The reversal of 1241424020 is 204241421.

It can be written as a sum of positive squares in 2 ways, for example, as 688327696 + 553096324 = 26236^2 + 23518^2 .

It is a super-2 number, since 2×12414240202 = 3082267194865920800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 62071201 = 1241424020 / (1 + 2 + 4 + 1 + 4 + 2 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1241423983 and 1241424001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31035581 + ... + 31035620.

It is an arithmetic number, because the mean of its divisors is an integer number (217249207).

Almost surely, 21241424020 is an apocalyptic number.

1241424020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241424020 is an abundant number, since it is smaller than the sum of its proper divisors (1365566464).

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

1241424020 is a wasteful number, since it uses less digits than its factorization.

1241424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62071210 (or 62071208 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1241424020 is about 35233.8476468296. The cubic root of 1241424020 is about 1074.7481710455.

Adding to 1241424020 its reverse (204241421), we get a palindrome (1445665441).

The spelling of 1241424020 in words is "one billion, two hundred forty-one million, four hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 62071201 124142402 248284804 310356005 620712010 1241424020