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412660221 = 3197239653
BaseRepresentation
bin11000100110001…
…011000111111101
31001202111022101220
4120212023013331
51321120111341
6104540423553
713140361011
oct3046130775
91052438356
10412660221
111a1a32806
12b6247bb9
1367654c5c
143cb3c541
1526364a66
hex1898b1fd

412660221 has 8 divisors (see below), whose sum is σ = 579172320. Its totient is φ = 260627472.

The previous prime is 412660201. The next prime is 412660229. The reversal of 412660221 is 122066214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 412660221 - 27 = 412660093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 412660191 and 412660200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412660229) 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, 3619770 + ... + 3619883.

It is an arithmetic number, because the mean of its divisors is an integer number (72396540).

Almost surely, 2412660221 is an apocalyptic number.

It is an amenable number.

412660221 is a deficient number, since it is larger than the sum of its proper divisors (166512099).

412660221 is a wasteful number, since it uses less digits than its factorization.

412660221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239675.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 412660221 is about 20314.0399970070. The cubic root of 412660221 is about 744.4991429566.

The spelling of 412660221 in words is "four hundred twelve million, six hundred sixty thousand, two hundred twenty-one".

Divisors: 1 3 19 57 7239653 21718959 137553407 412660221