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445451055 = 3574242391
BaseRepresentation
bin11010100011010…
…000101100101111
31011001012020222020
4122203100230233
51403013413210
6112111321223
714016162060
oct3243205457
91131166866
10445451055
11209499a75
12105220213
137139630a
1443236567
1529190770
hex1a8d0b2f

445451055 has 16 divisors (see below), whose sum is σ = 814539264. Its totient is φ = 203634720.

The previous prime is 445451047. The next prime is 445451087. The reversal of 445451055 is 550154544.

It is not a de Polignac number, because 445451055 - 23 = 445451047 is a prime.

It is a super-2 number, since 2×4454510552 = 396853284801226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121091 + ... + 2121300.

It is an arithmetic number, because the mean of its divisors is an integer number (50908704).

Almost surely, 2445451055 is an apocalyptic number.

445451055 is a deficient number, since it is larger than the sum of its proper divisors (369088209).

445451055 is a wasteful number, since it uses less digits than its factorization.

445451055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242406.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 445451055 is about 21105.7114307952. The cubic root of 445451055 is about 763.7185346732.

The spelling of 445451055 in words is "four hundred forty-five million, four hundred fifty-one thousand, fifty-five".

Divisors: 1 3 5 7 15 21 35 105 4242391 12727173 21211955 29696737 63635865 89090211 148483685 445451055