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275424401 = 7732232417
BaseRepresentation
bin10000011010101…
…010010010010001
3201012021000020202
4100122222102101
51031002040101
643155144545
76553032410
oct2032522221
9635230222
10275424401
1113151947a
12782a5155
13450a4b25
1428817477
15192a736b
hex106aa491

275424401 has 16 divisors (see below), whose sum is σ = 320646144. Its totient is φ = 231704064.

The previous prime is 275424377. The next prime is 275424421. The reversal of 275424401 is 104424572.

It is a cyclic number.

It is not a de Polignac number, because 275424401 - 210 = 275423377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275424421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112745 + ... + 115161.

It is an arithmetic number, because the mean of its divisors is an integer number (20040384).

Almost surely, 2275424401 is an apocalyptic number.

It is an amenable number.

275424401 is a deficient number, since it is larger than the sum of its proper divisors (45221743).

275424401 is a wasteful number, since it uses less digits than its factorization.

275424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 275424401 is about 16595.9151901906. The cubic root of 275424401 is about 650.6300801561.

Adding to 275424401 its reverse (104424572), we get a palindrome (379848973).

The spelling of 275424401 in words is "two hundred seventy-five million, four hundred twenty-four thousand, four hundred one".

Divisors: 1 7 73 223 511 1561 2417 16279 16919 113953 176441 538991 1235087 3772937 39346343 275424401