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1051057 = 7150151
BaseRepresentation
bin100000000100110110001
31222101210001
410000212301
5232113212
634310001
711635210
oct4004661
91871701
101051057
11658747
12428301
132aa537
141d5077
1515b657
hex1009b1

1051057 has 4 divisors (see below), whose sum is σ = 1201216. Its totient is φ = 900900.

The previous prime is 1051051. The next prime is 1051069. The reversal of 1051057 is 7501501.

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: 7501501 = 71071643.

It is a de Polignac number, because none of the positive numbers 2k-1051057 is a prime.

It is a super-2 number, since 2×10510572 = 2209441634498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051051) 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, 75069 + ... + 75082.

It is an arithmetic number, because the mean of its divisors is an integer number (300304).

21051057 is an apocalyptic number.

It is an amenable number.

1051057 is a deficient number, since it is larger than the sum of its proper divisors (150159).

1051057 is an equidigital number, since it uses as much as digits as its factorization.

1051057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150158.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 1051057 is about 1025.2107100494. The cubic root of 1051057 is about 101.6737299879.

Adding to 1051057 its reverse (7501501), we get a palindrome (8552558).

The spelling of 1051057 in words is "one million, fifty-one thousand, fifty-seven".

Divisors: 1 7 150151 1051057