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2745340 = 2251310559
BaseRepresentation
bin1010011110001111111100
312011110220021
422132033330
51200322330
6134501524
732222623
oct12361774
95143807
102745340
111605684
12b048a4
13751780
145166ba
1539367a
hex29e3fc

2745340 has 24 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 1013568.

The previous prime is 2745307. The next prime is 2745361. The reversal of 2745340 is 435472.

It is a congruent number.

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, 5020 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

22745340 is an apocalyptic number.

2745340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745340 is an abundant number, since it is smaller than the sum of its proper divisors (3463940).

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

2745340 is a wasteful number, since it uses less digits than its factorization.

2745340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581 (or 10579 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 2745340 is about 1656.9067565799. The cubic root of 2745340 is about 140.0227854071.

The spelling of 2745340 in words is "two million, seven hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 10559 21118 42236 52795 105590 137267 211180 274534 549068 686335 1372670 2745340