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412820252 = 22137938851
BaseRepresentation
bin11000100110110…
…010001100011100
31001202210102220222
4120212302030130
51321140222002
6104544100512
713141625405
oct3046621434
91052712828
10412820252
111a2031a69
12b6304738
13676aca50
143cb809ac
15263971a2
hex189b231c

412820252 has 12 divisors (see below), whose sum is σ = 778007496. Its totient is φ = 190532400.

The previous prime is 412820251. The next prime is 412820269. The reversal of 412820252 is 252028214.

It is a super-2 number, since 2×4128202522 = 340841120922687008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412820251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969374 + ... + 3969477.

It is an arithmetic number, because the mean of its divisors is an integer number (64833958).

Almost surely, 2412820252 is an apocalyptic number.

It is an amenable number.

412820252 is a deficient number, since it is larger than the sum of its proper divisors (365187244).

412820252 is a wasteful number, since it uses less digits than its factorization.

412820252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938868 (or 7938866 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 412820252 is about 20317.9785411837. The cubic root of 412820252 is about 744.5953702628.

Adding to 412820252 its reverse (252028214), we get a palindrome (664848466).

The spelling of 412820252 in words is "four hundred twelve million, eight hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 7938851 15877702 31755404 103205063 206410126 412820252