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450040255 = 5727325163
BaseRepresentation
bin11010110100110…
…001000110111111
31011100211102011121
4122310301012333
51410202242010
6112353531411
714103164500
oct3264610677
91140742147
10450040255
112110439a5
12106873b67
1372312112
1443aacba7
152979a3da
hex1ad311bf

450040255 has 24 divisors (see below), whose sum is σ = 636850512. Its totient is φ = 304359552.

The previous prime is 450040223. The next prime is 450040271. The reversal of 450040255 is 552040054.

It is not a de Polignac number, because 450040255 - 25 = 450040223 is a prime.

It is a super-2 number, since 2×4500402552 = 405072462240930050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5304 + ... + 30466.

It is an arithmetic number, because the mean of its divisors is an integer number (26535438).

Almost surely, 2450040255 is an apocalyptic number.

450040255 is a deficient number, since it is larger than the sum of its proper divisors (186810257).

450040255 is a wasteful number, since it uses less digits than its factorization.

450040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25255 (or 25248 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 450040255 is about 21214.1522338273. The cubic root of 450040255 is about 766.3322819242.

The spelling of 450040255 in words is "four hundred fifty million, forty thousand, two hundred fifty-five".

Divisors: 1 5 7 35 49 73 245 365 511 2555 3577 17885 25163 125815 176141 880705 1232987 1836899 6164935 9184495 12858293 64291465 90008051 450040255