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445155132 = 223172182133
BaseRepresentation
bin11010100010001…
…000011100111100
31011000122020001010
4122202020130330
51402424431012
6112101115220
714013520242
oct3242103474
91130566033
10445155132
11209307704
121050b8b10
13712c1706
144319a792
1529132c3c
hex1a88873c

445155132 has 24 divisors (see below), whose sum is σ = 1099795536. Its totient is φ = 139656448.

The previous prime is 445155101. The next prime is 445155143. The reversal of 445155132 is 231551544.

It is a super-3 number, since 3×4451551323 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445155132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090863 + ... + 1091270.

It is an arithmetic number, because the mean of its divisors is an integer number (45824814).

Almost surely, 2445155132 is an apocalyptic number.

It is an amenable number.

445155132 is an abundant number, since it is smaller than the sum of its proper divisors (654640404).

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

445155132 is a wasteful number, since it uses less digits than its factorization.

445155132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182157 (or 2182155 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 445155132 is about 21098.6997703650. The cubic root of 445155132 is about 763.5493788315.

The spelling of 445155132 in words is "four hundred forty-five million, one hundred fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 2182133 4364266 6546399 8728532 13092798 26185596 37096261 74192522 111288783 148385044 222577566 445155132