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2929990 = 257192203
BaseRepresentation
bin1011001011010101000110
312111212012011
423023111012
51222224430
6142444434
733622150
oct13132506
95455164
102929990
111721388
12b9371a
137b782b
14563ad0
153cd22a
hex2cb546

2929990 has 32 divisors (see below), whose sum is σ = 6347520. Its totient is φ = 951264.

The previous prime is 2929973. The next prime is 2929991. The reversal of 2929990 is 999292.

2929990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 229 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (198360).

22929990 is an apocalyptic number.

2929990 is an abundant number, since it is smaller than the sum of its proper divisors (3417530).

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

2929990 is a wasteful number, since it uses less digits than its factorization.

2929990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 2929990 is about 1711.7213558287. The cubic root of 2929990 is about 143.0942049647.

The spelling of 2929990 in words is "two million, nine hundred twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 2203 4406 11015 15421 22030 30842 41857 77105 83714 154210 209285 292999 418570 585998 1464995 2929990