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275144485 = 57115411321
BaseRepresentation
bin10000011001100…
…101111100100101
3201011201210021111
4100121211330211
51030414110420
643145145021
76550455340
oct2031457445
9634653244
10275144485
11131348140
127818b171
13450075b5
1428783457
151924e45a
hex10665f25

275144485 has 32 divisors (see below), whose sum is σ = 412717824. Its totient is φ = 171072000.

The previous prime is 275144459. The next prime is 275144549. The reversal of 275144485 is 584441572.

It is not a de Polignac number, because 275144485 - 211 = 275142437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207625 + ... + 208945.

It is an arithmetic number, because the mean of its divisors is an integer number (12897432).

Almost surely, 2275144485 is an apocalyptic number.

It is an amenable number.

275144485 is a deficient number, since it is larger than the sum of its proper divisors (137573339).

275144485 is a wasteful number, since it uses less digits than its factorization.

275144485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its digits is 179200, while the sum is 40.

The square root of 275144485 is about 16587.4797663780. The cubic root of 275144485 is about 650.4095919435.

The spelling of 275144485 in words is "two hundred seventy-five million, one hundred forty-four thousand, four hundred eighty-five".

Divisors: 1 5 7 11 35 55 77 385 541 1321 2705 3787 5951 6605 9247 14531 18935 29755 41657 46235 72655 101717 208285 508585 714661 3573305 5002627 7861271 25013135 39306355 55028897 275144485