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1057097 = 2394423
BaseRepresentation
bin100000010000101001001
31222201001202
410002011021
5232311342
634353545
711661626
oct4020511
91881052
101057097
11662238
1242b8b5
132b0202
141d734d
1515d332
hex102149

1057097 has 4 divisors (see below), whose sum is σ = 1061760. Its totient is φ = 1052436.

The previous prime is 1057093. The next prime is 1057117. The reversal of 1057097 is 7907501.

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: 7907501 = 71129643.

It is a cyclic number.

It is not a de Polignac number, because 1057097 - 22 = 1057093 is a prime.

It is a super-2 number, since 2×10570972 = 2234908134818, 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 (1057093) 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, 1973 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (265440).

21057097 is an apocalyptic number.

It is an amenable number.

1057097 is a deficient number, since it is larger than the sum of its proper divisors (4663).

1057097 is an equidigital number, since it uses as much as digits as its factorization.

1057097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 1057097 is about 1028.1522260833. The cubic root of 1057097 is about 101.8681173917.

The spelling of 1057097 in words is "one million, fifty-seven thousand, ninety-seven".

Divisors: 1 239 4423 1057097