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2938140 = 223355441
BaseRepresentation
bin1011001101010100011100
312112021101000
423031110130
51223010030
6142550300
733655002
oct13152434
95467330
102938140
111727517
12b98390
137bb45a
14566a72
153d0860
hex2cd51c

2938140 has 48 divisors (see below), whose sum is σ = 9142560. Its totient is φ = 783360.

The previous prime is 2938129. The next prime is 2938163. The reversal of 2938140 is 418392.

2938140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2181 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (190470).

22938140 is an apocalyptic number.

2938140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2938140 is an abundant number, since it is smaller than the sum of its proper divisors (6204420).

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

2938140 is a wasteful number, since it uses less digits than its factorization.

2938140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2938140 is about 1714.1003471209. The cubic root of 2938140 is about 143.2267581053.

The spelling of 2938140 in words is "two million, nine hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 5441 10882 16323 21764 27205 32646 48969 54410 65292 81615 97938 108820 146907 163230 195876 244845 293814 326460 489690 587628 734535 979380 1469070 2938140