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2745234 = 2321923349
BaseRepresentation
bin1010011110001110010010
312011110202100
422132032102
51200321414
6134501230
732222412
oct12361622
95143670
102745234
111605598
12b04816
137516cb
14516642
15393609
hex29e392

2745234 has 48 divisors (see below), whose sum is σ = 6552000. Its totient is φ = 826848.

The previous prime is 2745229. The next prime is 2745251. The reversal of 2745234 is 4325472.

2745234 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 junction number, because it is equal to n+sod(n) for n = 2745198 and 2745207.

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 23 ways as a sum of consecutive naturals, for example, 7692 + ... + 8040.

It is an arithmetic number, because the mean of its divisors is an integer number (136500).

22745234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2745234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276000).

2745234 is an abundant number, since it is smaller than the sum of its proper divisors (3806766).

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

2745234 is a wasteful number, since it uses less digits than its factorization.

2745234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 396 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2745234 is about 1656.8747689551. The cubic root of 2745234 is about 140.0209832494.

The spelling of 2745234 in words is "two million, seven hundred forty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 23 38 46 57 69 114 138 171 207 342 349 414 437 698 874 1047 1311 2094 2622 3141 3933 6282 6631 7866 8027 13262 16054 19893 24081 39786 48162 59679 72243 119358 144486 152513 305026 457539 915078 1372617 2745234