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1102897 = 2115227
BaseRepresentation
bin100001101010000110001
32002000220001
410031100301
5240243042
635350001
712242305
oct4152061
92060801
101102897
11693694
12452301
132c8003
14209d05
1516bbb7
hex10d431

1102897 has 4 divisors (see below), whose sum is σ = 1108336. Its totient is φ = 1097460.

The previous prime is 1102891. The next prime is 1102901. The reversal of 1102897 is 7982011.

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: 7982011 = 15152861.

It is a cyclic number.

It is not a de Polignac number, because 1102897 - 219 = 578609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102891) 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, 2403 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (277084).

21102897 is an apocalyptic number.

It is an amenable number.

1102897 is a deficient number, since it is larger than the sum of its proper divisors (5439).

1102897 is an equidigital number, since it uses as much as digits as its factorization.

1102897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1102897 is about 1050.1890306035. The cubic root of 1102897 is about 103.3185537886.

The spelling of 1102897 in words is "one million, one hundred two thousand, eight hundred ninety-seven".

Divisors: 1 211 5227 1102897