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1055497 = 1278311
BaseRepresentation
bin100000001101100001001
31222121212111
410001230021
5232233442
634342321
711654152
oct4015411
91877774
101055497
11661013
1242a9a1
132ac571
141d6929
1515cb17
hex101b09

1055497 has 4 divisors (see below), whose sum is σ = 1063936. Its totient is φ = 1047060.

The previous prime is 1055489. The next prime is 1055501. The reversal of 1055497 is 7945501.

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: 7945501 = 12762563.

It is a cyclic number.

It is not a de Polignac number, because 1055497 - 23 = 1055489 is a prime.

It is a super-2 number, since 2×10554972 = 2228147834018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055407) 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, 4029 + ... + 4282.

It is an arithmetic number, because the mean of its divisors is an integer number (265984).

21055497 is an apocalyptic number.

It is an amenable number.

1055497 is a deficient number, since it is larger than the sum of its proper divisors (8439).

1055497 is an equidigital number, since it uses as much as digits as its factorization.

1055497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1055497 is about 1027.3738365366. The cubic root of 1055497 is about 101.8166962861.

The spelling of 1055497 in words is "one million, fifty-five thousand, four hundred ninety-seven".

Divisors: 1 127 8311 1055497