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2750340 = 2235231993
BaseRepresentation
bin1010011111011110000100
312011201202110
422133132010
51201002330
6134541020
732243325
oct12373604
95151673
102750340
11160940a
12b07770
13753b28
1451844c
15394db0
hex29f784

2750340 has 48 divisors (see below), whose sum is σ = 8039808. Its totient is φ = 701184.

The previous prime is 2750339. The next prime is 2750347. The reversal of 2750340 is 430572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2750347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (167496).

22750340 is an apocalyptic number.

2750340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019904).

2750340 is an abundant number, since it is smaller than the sum of its proper divisors (5289468).

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

2750340 is a wasteful number, since it uses less digits than its factorization.

2750340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2750340 is about 1658.4149058664. The cubic root of 2750340 is about 140.1077401941.

The spelling of 2750340 in words is "two million, seven hundred fifty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 1993 3986 5979 7972 9965 11958 19930 23916 29895 39860 45839 59790 91678 119580 137517 183356 229195 275034 458390 550068 687585 916780 1375170 2750340