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427792975 = 5241487857
BaseRepresentation
bin11001011111111…
…001101001001111
31002210222010122021
4121133321221033
51334003333400
6110241031011
713413115561
oct3137715117
91083863567
10427792975
111aa529215
12bb325467
136a822b4c
1440b5b331
152785371a
hex197f9a4f

427792975 has 24 divisors (see below), whose sum is σ = 545152608. Its totient is φ = 332812800.

The previous prime is 427792973. The next prime is 427792991. The reversal of 427792975 is 579297724.

It is not a de Polignac number, because 427792975 - 21 = 427792973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427792973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498747 + ... + 499603.

It is an arithmetic number, because the mean of its divisors is an integer number (22714692).

Almost surely, 2427792975 is an apocalyptic number.

427792975 is a deficient number, since it is larger than the sum of its proper divisors (117359633).

427792975 is a wasteful number, since it uses less digits than its factorization.

427792975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1390 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 52.

The square root of 427792975 is about 20683.1567948415. The cubic root of 427792975 is about 753.4906765132.

It can be divided in two parts, 42779 and 2975, that added together give a palindrome (45754).

The spelling of 427792975 in words is "four hundred twenty-seven million, seven hundred ninety-two thousand, nine hundred seventy-five".

Divisors: 1 5 25 41 205 487 857 1025 2435 4285 12175 19967 21425 35137 99835 175685 417359 499175 878425 2086795 10433975 17111719 85558595 427792975