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2942775 = 3252112941
BaseRepresentation
bin1011001110011100110111
312112111201200
423032130313
51223132100
6143023543
734004343
oct13163467
95474650
102942775
11172aa50
12b9abb3
137c05b4
14568623
153d1e00
hex2ce737

2942775 has 72 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 1344000.

The previous prime is 2942767. The next prime is 2942783. The reversal of 2942775 is 5772492.

It is an interprime number because it is at equal distance from previous prime (2942767) and next prime (2942783).

It is not a de Polignac number, because 2942775 - 23 = 2942767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71755 + ... + 71795.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

22942775 is an apocalyptic number.

2942775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2942775 is an abundant number, since it is smaller than the sum of its proper divisors (3150585).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2942775 is a wasteful number, since it uses less digits than its factorization.

2942775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 89 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2942775 is about 1715.4518355232. The cubic root of 2942775 is about 143.3020333073.

The spelling of 2942775 in words is "two million, nine hundred forty-two thousand, seven hundred seventy-five".

Divisors: 1 3 5 9 11 15 25 29 33 41 45 55 75 87 99 123 145 165 205 225 261 275 319 369 435 451 495 615 725 825 957 1025 1189 1305 1353 1595 1845 2175 2255 2475 2871 3075 3567 4059 4785 5945 6525 6765 7975 9225 10701 11275 13079 14355 17835 20295 23925 29725 33825 39237 53505 65395 71775 89175 101475 117711 196185 267525 326975 588555 980925 2942775