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972238 = 2486119
BaseRepresentation
bin11101101010111001110
31211101122211
43231113032
5222102423
632501034
711156341
oct3552716
91741584
10972238
11604503
123aa77a
132806b7
141b4458
1514310d
hexed5ce

972238 has 4 divisors (see below), whose sum is σ = 1458360. Its totient is φ = 486118.

The previous prime is 972229. The next prime is 972259. The reversal of 972238 is 832279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832279 = 7118897.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 243058 + ... + 243061.

It is an arithmetic number, because the mean of its divisors is an integer number (364590).

2972238 is an apocalyptic number.

972238 is a deficient number, since it is larger than the sum of its proper divisors (486122).

972238 is a wasteful number, since it uses less digits than its factorization.

972238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486121.

The product of its digits is 6048, while the sum is 31.

The square root of 972238 is about 986.0212979444. The cubic root of 972238 is about 99.0659017729.

The spelling of 972238 in words is "nine hundred seventy-two thousand, two hundred thirty-eight".

Divisors: 1 2 486119 972238