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2906380 = 225295011
BaseRepresentation
bin1011000101100100001100
312110122210201
423011210030
51221001010
6142143244
733463261
oct13054414
95418721
102906380
111705674
12b81b24
137a9b69
14559268
153c623a
hex2c590c

2906380 has 24 divisors (see below), whose sum is σ = 6315120. Its totient is φ = 1122240.

The previous prime is 2906363. The next prime is 2906381. The reversal of 2906380 is 836092.

It is not an unprimeable number, because it can be changed into a prime (2906381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 3085.

It is an arithmetic number, because the mean of its divisors is an integer number (263130).

22906380 is an apocalyptic number.

2906380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2906380 is an abundant number, since it is smaller than the sum of its proper divisors (3408740).

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

2906380 is a wasteful number, since it uses less digits than its factorization.

2906380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2906380 is about 1704.8108399468. The cubic root of 2906380 is about 142.7088146159.

It can be divided in two parts, 290 and 6380, that added together give a triangular number (6670 = T115).

The spelling of 2906380 in words is "two million, nine hundred six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 5011 10022 20044 25055 50110 100220 145319 290638 581276 726595 1453190 2906380