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2975945 = 5785027
BaseRepresentation
bin1011010110100011001001
312121012020012
423112203021
51230212240
6143441305
734203140
oct13264311
95535205
102975945
111752965
12bb6235
1380271b
14576757
153dbb65
hex2d68c9

2975945 has 8 divisors (see below), whose sum is σ = 4081344. Its totient is φ = 2040624.

The previous prime is 2975911. The next prime is 2975957. The reversal of 2975945 is 5495792.

2975945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2975945 - 26 = 2975881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42479 + ... + 42548.

It is an arithmetic number, because the mean of its divisors is an integer number (510168).

22975945 is an apocalyptic number.

It is an amenable number.

2975945 is a deficient number, since it is larger than the sum of its proper divisors (1105399).

2975945 is an equidigital number, since it uses as much as digits as its factorization.

2975945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85039.

The product of its digits is 113400, while the sum is 41.

The square root of 2975945 is about 1725.0927511296. The cubic root of 2975945 is about 143.8384408505.

The spelling of 2975945 in words is "two million, nine hundred seventy-five thousand, nine hundred forty-five".

Divisors: 1 5 7 35 85027 425135 595189 2975945