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972041 = 7138863
BaseRepresentation
bin11101101010100001001
31211101101112
43231110021
5222101131
632500105
711155640
oct3552411
91741345
10972041
11604344
123aa635
13280595
141b4357
1514302b
hexed509

972041 has 4 divisors (see below), whose sum is σ = 1110912. Its totient is φ = 833172.

The previous prime is 972031. The next prime is 972047. The reversal of 972041 is 140279.

972041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 140279 = 151929.

It is a cyclic number.

It is not a de Polignac number, because 972041 - 26 = 971977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971998 and 972016.

It is not an unprimeable number, because it can be changed into a prime (972047) 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, 69425 + ... + 69438.

It is an arithmetic number, because the mean of its divisors is an integer number (277728).

2972041 is an apocalyptic number.

It is an amenable number.

972041 is a deficient number, since it is larger than the sum of its proper divisors (138871).

972041 is a wasteful number, since it uses less digits than its factorization.

972041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138870.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 972041 is about 985.9213964612. The cubic root of 972041 is about 99.0592102355.

The spelling of 972041 in words is "nine hundred seventy-two thousand, forty-one".

Divisors: 1 7 138863 972041