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970109 = 7138587
BaseRepresentation
bin11101100110101111101
31211021201222
43230311331
5222020414
632443125
711150210
oct3546575
91737658
10970109
11602948
123a94a5
1327c73a
141b3777
1514268e
hexecd7d

970109 has 4 divisors (see below), whose sum is σ = 1108704. Its totient is φ = 831516.

The previous prime is 970091. The next prime is 970111. The reversal of 970109 is 901079.

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.

It is not a de Polignac number, because 970109 - 212 = 966013 is a prime.

It is a super-2 number, since 2×9701092 = 1882222943762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970909) 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, 69287 + ... + 69300.

It is an arithmetic number, because the mean of its divisors is an integer number (277176).

2970109 is an apocalyptic number.

It is an amenable number.

970109 is a deficient number, since it is larger than the sum of its proper divisors (138595).

970109 is a wasteful number, since it uses less digits than its factorization.

970109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138594.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 970109 is about 984.9411149911. The cubic root of 970109 is about 98.9935376525.

The spelling of 970109 in words is "nine hundred seventy thousand, one hundred nine".

Divisors: 1 7 138587 970109