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404248127 = 868146567
BaseRepresentation
bin11000000110000…
…101011000111111
31001011122221011212
4120012011120333
51311441420002
6104040235035
713006023653
oct3006053077
91034587155
10404248127
11198207668
12b346ba7b
136599b09a
143b98ca63
1525752352
hex1818563f

404248127 has 4 divisors (see below), whose sum is σ = 404303376. Its totient is φ = 404192880.

The previous prime is 404248109. The next prime is 404248171. The reversal of 404248127 is 721842404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404248127 - 216 = 404182591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404248093 and 404248102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404248027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14603 + ... + 31964.

It is an arithmetic number, because the mean of its divisors is an integer number (101075844).

Almost surely, 2404248127 is an apocalyptic number.

404248127 is a deficient number, since it is larger than the sum of its proper divisors (55249).

404248127 is an equidigital number, since it uses as much as digits as its factorization.

404248127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55248.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 404248127 is about 20105.9226846221. The cubic root of 404248127 is about 739.4054921928.

The spelling of 404248127 in words is "four hundred four million, two hundred forty-eight thousand, one hundred twenty-seven".

Divisors: 1 8681 46567 404248127