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2745200 = 24526863
BaseRepresentation
bin1010011110001101110000
312011110201002
422132031300
51200321300
6134501132
732222333
oct12361560
95143632
102745200
111605567
12b047a8
137516a3
1451661a
153935d5
hex29e370

2745200 has 30 divisors (see below), whose sum is σ = 6596304. Its totient is φ = 1097920.

The previous prime is 2745179. The next prime is 2745209. The reversal of 2745200 is 25472.

2745200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×27452002 = 15072246080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3032 + ... + 3831.

22745200 is an apocalyptic number.

2745200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745200 is an abundant number, since it is smaller than the sum of its proper divisors (3851104).

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

2745200 is a wasteful number, since it uses less digits than its factorization.

2745200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881 (or 6870 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2745200 is about 1656.8645086428. The cubic root of 2745200 is about 140.0204051890.

The spelling of 2745200 in words is "two million, seven hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 6863 13726 27452 34315 54904 68630 109808 137260 171575 274520 343150 549040 686300 1372600 2745200