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6461493 = 32518581
BaseRepresentation
bin11000101001100000110101
3110011021111120
4120221200311
53123231433
6350254153
7105631113
oct30514065
913137446
106461493
113713685
1221b7359
13145308c
14c02ab3
158797b3
hex629835

6461493 has 8 divisors (see below), whose sum is σ = 8650656. Its totient is φ = 4290000.

The previous prime is 6461471. The next prime is 6461509. The reversal of 6461493 is 3941646.

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

It is not a de Polignac number, because 6461493 - 217 = 6330421 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461443) 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, 3538 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1081332).

Almost surely, 26461493 is an apocalyptic number.

It is an amenable number.

6461493 is a deficient number, since it is larger than the sum of its proper divisors (2189163).

6461493 is a wasteful number, since it uses less digits than its factorization.

6461493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its digits is 15552, while the sum is 33.

The square root of 6461493 is about 2541.9466949564. The cubic root of 6461493 is about 186.2562948490.

The spelling of 6461493 in words is "six million, four hundred sixty-one thousand, four hundred ninety-three".

Divisors: 1 3 251 753 8581 25743 2153831 6461493