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442077 = 31011459
BaseRepresentation
bin1101011111011011101
3211110102020
41223323131
5103121302
613250353
73520566
oct1537335
9743366
10442077
11282159
121939b9
131262ac
14b716d
158aebc
hex6bedd

442077 has 8 divisors (see below), whose sum is σ = 595680. Its totient is φ = 291600.

The previous prime is 442069. The next prime is 442097. The reversal of 442077 is 770244.

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

It is not a de Polignac number, because 442077 - 23 = 442069 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442007) 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, 427 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (74460).

2442077 is an apocalyptic number.

It is an amenable number.

442077 is a deficient number, since it is larger than the sum of its proper divisors (153603).

442077 is a wasteful number, since it uses less digits than its factorization.

442077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 442077 is about 664.8887124925. Note that the first 3 decimals coincide. The cubic root of 442077 is about 76.1785391579.

The spelling of 442077 in words is "four hundred forty-two thousand, seventy-seven", and thus it is an iban number.

Divisors: 1 3 101 303 1459 4377 147359 442077