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2972829 = 34492207
BaseRepresentation
bin1011010101110010011101
312121000221210
423111302131
51230112304
6143415033
734161066
oct13256235
95530853
102972829
111750592
12bb4479
13801192
1457556d
153dac89
hex2d5c9d

2972829 has 8 divisors (see below), whose sum is σ = 3974400. Its totient is φ = 1976576.

The previous prime is 2972821. The next prime is 2972831. The reversal of 2972829 is 9282792.

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 2972829 - 23 = 2972821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972821) 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, 244 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (496800).

22972829 is an apocalyptic number.

It is an amenable number.

2972829 is a deficient number, since it is larger than the sum of its proper divisors (1001571).

2972829 is a wasteful number, since it uses less digits than its factorization.

2972829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659.

The product of its digits is 36288, while the sum is 39.

The square root of 2972829 is about 1724.1893747498. The cubic root of 2972829 is about 143.7882207127.

The spelling of 2972829 in words is "two million, nine hundred seventy-two thousand, eight hundred twenty-nine".

Divisors: 1 3 449 1347 2207 6621 990943 2972829