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445077 = 32172909
BaseRepresentation
bin1101100101010010101
3211121112100
41230222111
5103220302
613312313
73532413
oct1545225
9747470
10445077
11284436
12195699
13127779
14b82b3
158bd1c
hex6ca95

445077 has 12 divisors (see below), whose sum is σ = 680940. Its totient is φ = 279168.

The previous prime is 445069. The next prime is 445087. The reversal of 445077 is 770544.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 77841 = 606^2 + 279^2 .

It is not a de Polignac number, because 445077 - 23 = 445069 is a prime.

It is an Ulam number.

445077 is a lucky number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 445077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (56745).

2445077 is an apocalyptic number.

It is an amenable number.

445077 is a deficient number, since it is larger than the sum of its proper divisors (235863).

445077 is a wasteful number, since it uses less digits than its factorization.

445077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 445077 is about 667.1409146500. The cubic root of 445077 is about 76.3504704420.

The spelling of 445077 in words is "four hundred forty-five thousand, seventy-seven".

Divisors: 1 3 9 17 51 153 2909 8727 26181 49453 148359 445077