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970381 = 4322567
BaseRepresentation
bin11101100111010001101
31211022010001
43230322031
5222023011
632444301
711151046
oct3547215
91738101
10970381
11603075
123a9691
1327c8b9
141b38cd
151427c1
hexece8d

970381 has 4 divisors (see below), whose sum is σ = 992992. Its totient is φ = 947772.

The previous prime is 970351. The next prime is 970391. The reversal of 970381 is 183079.

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: 183079 = 1314083.

It is a cyclic number.

It is not a de Polignac number, because 970381 - 29 = 969869 is a prime.

It is a super-2 number, since 2×9703812 = 1883278570322, which contains 22 as substring.

It is a Duffinian number.

970381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970351) 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, 11241 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (248248).

2970381 is an apocalyptic number.

It is an amenable number.

970381 is a deficient number, since it is larger than the sum of its proper divisors (22611).

970381 is a wasteful number, since it uses less digits than its factorization.

970381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22610.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 970381 is about 985.0791846344. The cubic root of 970381 is about 99.0027887525.

Subtracting from 970381 its product of nonzero digits (1512), we obtain a palindrome (968869).

The spelling of 970381 in words is "nine hundred seventy thousand, three hundred eighty-one".

Divisors: 1 43 22567 970381