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2745072 = 2432111733
BaseRepresentation
bin1010011110001011110000
312011110112100
422132023300
51200320242
6134500400
732222061
oct12361360
95143470
102745072
111605460
12b04700
13751605
14516568
1539354c
hex29e2f0

2745072 has 60 divisors (see below), whose sum is σ = 8385624. Its totient is φ = 831360.

The previous prime is 2745049. The next prime is 2745091. The reversal of 2745072 is 2705472.

2745072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 718 + ... + 2450.

22745072 is an apocalyptic number.

2745072 is a gapful number since it is divisible by the number (22) 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 2745072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4192812).

2745072 is an abundant number, since it is smaller than the sum of its proper divisors (5640552).

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

2745072 is a wasteful number, since it uses less digits than its factorization.

2745072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2745072 is about 1656.8258810147. The cubic root of 2745072 is about 140.0182289189.

The spelling of 2745072 in words is "two million, seven hundred forty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 1733 3466 5199 6932 10398 13864 15597 19063 20796 27728 31194 38126 41592 57189 62388 76252 83184 114378 124776 152504 171567 228756 249552 305008 343134 457512 686268 915024 1372536 2745072