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2741280 = 25355711
BaseRepresentation
bin1010011101010000100000
312011021022220
422131100200
51200210110
6134431040
732205033
oct12352040
95137286
102741280
111602623
12b02480
1374c979
1451501a
15392370
hex29d420

2741280 has 48 divisors (see below), whose sum is σ = 8636544. Its totient is φ = 730880.

The previous prime is 2741273. The next prime is 2741281. The reversal of 2741280 is 821472.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2741280.

It is not an unprimeable number, because it can be changed into a prime (2741281) 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, 2376 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

22741280 is an apocalyptic number.

2741280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2741280 is an abundant number, since it is smaller than the sum of its proper divisors (5895264).

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

2741280 is a wasteful number, since it uses less digits than its factorization.

2741280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729 (or 5721 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2741280 is about 1655.6811287201. The cubic root of 2741280 is about 139.9537262035.

The spelling of 2741280 in words is "two million, seven hundred forty-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5711 11422 17133 22844 28555 34266 45688 57110 68532 85665 91376 114220 137064 171330 182752 228440 274128 342660 456880 548256 685320 913760 1370640 2741280