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2972973 = 34432237
BaseRepresentation
bin1011010101110100101101
312121001011010
423111310231
51230113343
6143415433
734161363
oct13256455
95531133
102972973
111750703
12bb4579
13801273
14575633
hex2d5d2d

2972973 has 8 divisors (see below), whose sum is σ = 3974688. Its totient is φ = 1976624.

The previous prime is 2972971. The next prime is 2973001. The reversal of 2972973 is 3792792.

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 2972973 - 21 = 2972971 is a prime.

It is a d-powerful number, because it can be written as 215 + 9 + 75 + 221 + 96 + 76 + 311 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972971) 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 7 ways as a sum of consecutive naturals, for example, 211 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (496836).

22972973 is an apocalyptic number.

It is an amenable number.

2972973 is a deficient number, since it is larger than the sum of its proper divisors (1001715).

2972973 is a wasteful number, since it uses less digits than its factorization.

2972973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 47628, while the sum is 39.

The square root of 2972973 is about 1724.2311329981. The cubic root of 2972973 is about 143.7905423138.

The spelling of 2972973 in words is "two million, nine hundred seventy-two thousand, nine hundred seventy-three".

Divisors: 1 3 443 1329 2237 6711 990991 2972973