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970081 = 7139997
BaseRepresentation
bin11101100110101100001
31211021200221
43230311201
5222020311
632443041
711150140
oct3546541
91737627
10970081
11602922
123a9481
1327c718
141b3757
15142671
hexecd61

970081 has 8 divisors (see below), whose sum is σ = 1117760. Its totient is φ = 824688.

The previous prime is 970069. The next prime is 970087. The reversal of 970081 is 180079.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 970081 - 29 = 969569 is a prime.

It is a super-2 number, since 2×9700812 = 1882114293122, which contains 22 as substring.

970081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (970087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (139720).

2970081 is an apocalyptic number.

It is an amenable number.

970081 is a deficient number, since it is larger than the sum of its proper divisors (147679).

970081 is a wasteful number, since it uses less digits than its factorization.

970081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 970081 is about 984.9269008409. The cubic root of 970081 is about 98.9925852352.

The spelling of 970081 in words is "nine hundred seventy thousand, eighty-one".

Divisors: 1 7 139 973 997 6979 138583 970081