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442895 = 5283313
BaseRepresentation
bin1101100001000001111
3211111112112
41230020033
5103133040
613254235
73523145
oct1541017
9744475
10442895
11282832
1219437b
1312678b
14b7595
158b365
hex6c20f

442895 has 8 divisors (see below), whose sum is σ = 535056. Its totient is φ = 351936.

The previous prime is 442879. The next prime is 442903. The reversal of 442895 is 598244.

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 442895 - 24 = 442879 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 13.

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 442895.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (66882).

2442895 is an apocalyptic number.

442895 is a deficient number, since it is larger than the sum of its proper divisors (92161).

442895 is a wasteful number, since it uses less digits than its factorization.

442895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its digits is 11520, while the sum is 32.

The square root of 442895 is about 665.5035687357. The cubic root of 442895 is about 76.2254960230.

It can be divided in two parts, 44289 and 5, that multiplied together give a triangular number (221445 = T665).

The spelling of 442895 in words is "four hundred forty-two thousand, eight hundred ninety-five".

Divisors: 1 5 283 313 1415 1565 88579 442895