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412744221 = 3365923197
BaseRepresentation
bin11000100110011…
…111101000011101
31001202122120122000
4120212133220131
51321130303341
6104542312513
713141160631
oct3046375035
91052576560
10412744221
111a1a8a92a
12b6288739
1367684266
143cb60dc1
152637e8b6
hex1899fa1d

412744221 has 16 divisors (see below), whose sum is σ = 612427200. Its totient is φ = 274733424.

The previous prime is 412744219. The next prime is 412744247. The reversal of 412744221 is 122447214.

It is not a de Polignac number, because 412744221 - 21 = 412744219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412744291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6195 + ... + 29391.

It is an arithmetic number, because the mean of its divisors is an integer number (38276700).

Almost surely, 2412744221 is an apocalyptic number.

It is an amenable number.

412744221 is a deficient number, since it is larger than the sum of its proper divisors (199682979).

412744221 is a wasteful number, since it uses less digits than its factorization.

412744221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23865 (or 23859 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 412744221 is about 20316.1074273592. The cubic root of 412744221 is about 744.5496556076.

The spelling of 412744221 in words is "four hundred twelve million, seven hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 3 9 27 659 1977 5931 17793 23197 69591 208773 626319 15286823 45860469 137581407 412744221