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442377 = 321319199
BaseRepresentation
bin1101100000000001001
3211110211100
41230000021
5103124002
613252013
73521505
oct1540011
9743740
10442377
11282401
12194009
13126480
14b7305
158b11c
hex6c009

442377 has 24 divisors (see below), whose sum is σ = 728000. Its totient is φ = 256608.

The previous prime is 442367. The next prime is 442397. The reversal of 442377 is 773244.

It is not a de Polignac number, because 442377 - 28 = 442121 is a prime.

It is a d-powerful number, because it can be written as 45 + 49 + 311 + 211 + 7 + 7 .

It is a self number, because there is not a number n which added to its sum of digits gives 442377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2124 + ... + 2322.

2442377 is an apocalyptic number.

It is an amenable number.

442377 is a deficient number, since it is larger than the sum of its proper divisors (285623).

442377 is a wasteful number, since it uses less digits than its factorization.

442377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 442377 is about 665.1142758955. The cubic root of 442377 is about 76.1957672231.

It can be divided in two parts, 44237 and 7, that added together give a palindrome (44244).

The spelling of 442377 in words is "four hundred forty-two thousand, three hundred seventy-seven", and thus it is an iban number.

Divisors: 1 3 9 13 19 39 57 117 171 199 247 597 741 1791 2223 2587 3781 7761 11343 23283 34029 49153 147459 442377