Search a number
-
+
972461 = 7138923
BaseRepresentation
bin11101101011010101101
31211101222002
43231122231
5222104321
632502045
711160110
oct3553255
91741862
10972461
11604696
123aa925
13280829
141b4577
1514320b
hexed6ad

972461 has 4 divisors (see below), whose sum is σ = 1111392. Its totient is φ = 833532.

The previous prime is 972443. The next prime is 972469. The reversal of 972461 is 164279.

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 a de Polignac number, because none of the positive numbers 2k-972461 is a prime.

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 (972469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69455 + ... + 69468.

It is an arithmetic number, because the mean of its divisors is an integer number (277848).

2972461 is an apocalyptic number.

It is an amenable number.

972461 is a deficient number, since it is larger than the sum of its proper divisors (138931).

972461 is a wasteful number, since it uses less digits than its factorization.

972461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138930.

The product of its digits is 3024, while the sum is 29.

The square root of 972461 is about 986.1343721826. The cubic root of 972461 is about 99.0734753668.

The spelling of 972461 in words is "nine hundred seventy-two thousand, four hundred sixty-one".

Divisors: 1 7 138923 972461