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1048431 = 3349477
BaseRepresentation
bin11111111111101101111
31222021011210
43333331233
5232022211
634245503
711624436
oct3777557
91867153
101048431
1165677a
12426893
132a9297
141d411d
1515a9a6
hexfff6f

1048431 has 4 divisors (see below), whose sum is σ = 1397912. Its totient is φ = 698952.

The previous prime is 1048423. The next prime is 1048433. The reversal of 1048431 is 1348401.

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

It is not a de Polignac number, because 1048431 - 23 = 1048423 is a prime.

It is a super-2 number, since 2×10484312 = 2198415123522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1048398 and 1048407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048433) 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, 174736 + ... + 174741.

It is an arithmetic number, because the mean of its divisors is an integer number (349478).

21048431 is an apocalyptic number.

1048431 is a deficient number, since it is larger than the sum of its proper divisors (349481).

1048431 is an equidigital number, since it uses as much as digits as its factorization.

1048431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349480.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1048431 is about 1023.9291967709. The cubic root of 1048431 is about 101.5889842253.

The spelling of 1048431 in words is "one million, forty-eight thousand, four hundred thirty-one".

Divisors: 1 3 349477 1048431