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1051049 = 4324443
BaseRepresentation
bin100000000100110101001
31222101202202
410000212221
5232113144
634305545
711635166
oct4004651
91871682
101051049
1165873a
124282b5
132aa52c
141d506d
1515b64e
hex1009a9

1051049 has 4 divisors (see below), whose sum is σ = 1075536. Its totient is φ = 1026564.

The previous prime is 1051027. The next prime is 1051051. The reversal of 1051049 is 9401501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9401501 = 38324547.

It is a cyclic number.

It is not a de Polignac number, because 1051049 - 220 = 2473 is a prime.

It is a super-2 number, since 2×10510492 = 2209408000802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051049.

It is not an unprimeable number, because it can be changed into a prime (1051009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (268884).

21051049 is an apocalyptic number.

It is an amenable number.

1051049 is a deficient number, since it is larger than the sum of its proper divisors (24487).

1051049 is an equidigital number, since it uses as much as digits as its factorization.

1051049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1051049 is about 1025.2068084050. The cubic root of 1051049 is about 101.6734720280.

The spelling of 1051049 in words is "one million, fifty-one thousand, forty-nine".

Divisors: 1 43 24443 1051049