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642414 = 23107069
BaseRepresentation
bin10011100110101101110
31012122020010
42130311232
5131024124
621434050
75313633
oct2346556
91178203
10642414
113a9723
1226b926
13196536
1412a18a
15ca529
hex9cd6e

642414 has 8 divisors (see below), whose sum is σ = 1284840. Its totient is φ = 214136.

The previous prime is 642407. The next prime is 642419. The reversal of 642414 is 414246.

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

642414 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 642414.

It is not an unprimeable number, because it can be changed into a prime (642419) by changing a digit.

642414 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53529 + ... + 53540.

It is an arithmetic number, because the mean of its divisors is an integer number (160605).

2642414 is an apocalyptic number.

642414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642414 is a wasteful number, since it uses less digits than its factorization.

642414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107074.

The product of its digits is 768, while the sum is 21.

The square root of 642414 is about 801.5073299727. The cubic root of 642414 is about 86.2856017696.

The spelling of 642414 in words is "six hundred forty-two thousand, four hundred fourteen".

Divisors: 1 2 3 6 107069 214138 321207 642414