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2942750 = 25379149
BaseRepresentation
bin1011001110011100011110
312112111200202
423032130132
51223132000
6143023502
734004306
oct13163436
95474622
102942750
11172aa28
12b9ab92
137c0595
14568606
153d1dd5
hex2ce71e

2942750 has 32 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 1154400.

The previous prime is 2942749. The next prime is 2942759. The reversal of 2942750 is 572492.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942759) 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 15 ways as a sum of consecutive naturals, for example, 19676 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

22942750 is an apocalyptic number.

2942750 is a deficient number, since it is larger than the sum of its proper divisors (2673250).

2942750 is a wasteful number, since it uses less digits than its factorization.

2942750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2942750 is about 1715.4445487978. Note that the first 3 decimals coincide. The cubic root of 2942750 is about 143.3016275042.

The spelling of 2942750 in words is "two million, nine hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 79 125 149 158 250 298 395 745 790 1490 1975 3725 3950 7450 9875 11771 18625 19750 23542 37250 58855 117710 294275 588550 1471375 2942750