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2942904 = 233177213
BaseRepresentation
bin1011001110011110111000
312112111220110
423032132320
51223133104
6143024320
734004616
oct13163670
95474813
102942904
111730058
12b9b0a0
137c0683
145686b6
153d1e89
hex2ce7b8

2942904 has 32 divisors (see below), whose sum is σ = 7791120. Its totient is φ = 923136.

The previous prime is 2942881. The next prime is 2942909. The reversal of 2942904 is 4092492.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942909) 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, 3199 + ... + 4014.

22942904 is an apocalyptic number.

2942904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2942904 is an abundant number, since it is smaller than the sum of its proper divisors (4848216).

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

2942904 is a wasteful number, since it uses less digits than its factorization.

2942904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2942904 is about 1715.4894345346. The cubic root of 2942904 is about 143.3041272143.

It can be divided in two parts, 294 and 2904, that multiplied together give a square (853776 = 9242).

The spelling of 2942904 in words is "two million, nine hundred forty-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 7213 14426 21639 28852 43278 57704 86556 122621 173112 245242 367863 490484 735726 980968 1471452 2942904