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2538340 = 225718131
BaseRepresentation
bin1001101011101101100100
311202221221121
421223231210
51122211330
6130223324
730401260
oct11535544
94687847
102538340
111484102
12a24b44
136ab49c
144a10a0
1535217a
hex26bb64

2538340 has 24 divisors (see below), whose sum is σ = 6092352. Its totient is φ = 870240.

The previous prime is 2538337. The next prime is 2538353. The reversal of 2538340 is 438352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8926 + ... + 9205.

It is an arithmetic number, because the mean of its divisors is an integer number (253848).

22538340 is an apocalyptic number.

2538340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538340 is an abundant number, since it is smaller than the sum of its proper divisors (3554012).

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

2538340 is a wasteful number, since it uses less digits than its factorization.

2538340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18147 (or 18145 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2538340 is about 1593.2168716154. The cubic root of 2538340 is about 136.4111691533.

The spelling of 2538340 in words is "two million, five hundred thirty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 18131 36262 72524 90655 126917 181310 253834 362620 507668 634585 1269170 2538340