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1241422420 = 22578867303
BaseRepresentation
bin100100111111110…
…1001101001010100
310012111221210102011
41021333221221110
510020301004140
6323103554004
742522626230
oct11177515124
93174853364
101241422420
11587829047
122a78bb904
1316a2685a4
14bac335c0
1573ebdcea
hex49fe9a54

1241422420 has 24 divisors (see below), whose sum is σ = 2979414144. Its totient is φ = 425630496.

The previous prime is 1241422379. The next prime is 1241422423. The reversal of 1241422420 is 242241421.

It is a super-2 number, since 2×12414224202 = 3082259249757312800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1241422391 and 1241422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241422423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433512 + ... + 4433791.

It is an arithmetic number, because the mean of its divisors is an integer number (124142256).

Almost surely, 21241422420 is an apocalyptic number.

1241422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241422420 is an abundant number, since it is smaller than the sum of its proper divisors (1737991724).

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

1241422420 is a wasteful number, since it uses less digits than its factorization.

1241422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8867319 (or 8867317 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1241422420 is about 35233.8249413827. The cubic root of 1241422420 is about 1074.7477093183.

Adding to 1241422420 its reverse (242241421), we get a palindrome (1483663841).

The spelling of 1241422420 in words is "one billion, two hundred forty-one million, four hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8867303 17734606 35469212 44336515 62071121 88673030 124142242 177346060 248284484 310355605 620711210 1241422420