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421041 = 3293479
BaseRepresentation
bin1100110110010110001
3210101120010
41212302301
5101433131
613005133
73402345
oct1466261
9711503
10421041
11268375
121837a9
1311984a
14ad625
1584b46
hex66cb1

421041 has 8 divisors (see below), whose sum is σ = 564480. Its totient is φ = 279152.

The previous prime is 421037. The next prime is 421049. The reversal of 421041 is 140124.

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

It is a cyclic number.

It is not a de Polignac number, because 421041 - 22 = 421037 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (421049) 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, 640 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2421041 is an apocalyptic number.

It is an amenable number.

421041 is a deficient number, since it is larger than the sum of its proper divisors (143439).

421041 is a wasteful number, since it uses less digits than its factorization.

421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 421041 is about 648.8767217276. The cubic root of 421041 is about 74.9505451745.

Adding to 421041 its reverse (140124), we get a palindrome (561165).

The spelling of 421041 in words is "four hundred twenty-one thousand, forty-one", and thus it is an iban number.

Divisors: 1 3 293 479 879 1437 140347 421041