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2745006 = 2311219199
BaseRepresentation
bin1010011110001010101110
312011110102220
422132022232
51200320011
6134500210
732221635
oct12361256
95143386
102745006
111605400
12b04666
13751584
1451651c
15393506
hex29e2ae

2745006 has 48 divisors (see below), whose sum is σ = 6384000. Its totient is φ = 784080.

The previous prime is 2744969. The next prime is 2745011. The reversal of 2745006 is 6005472.

It is a happy number.

It is a d-powerful number, because it can be written as 2 + 75 + 410 + 5 + 0 + 0 + 68 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13695 + ... + 13893.

It is an arithmetic number, because the mean of its divisors is an integer number (133000).

22745006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2745006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192000).

2745006 is an abundant number, since it is smaller than the sum of its proper divisors (3638994).

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

2745006 is a wasteful number, since it uses less digits than its factorization.

2745006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2745006 is about 1656.8059632920. The cubic root of 2745006 is about 140.0171067532.

The spelling of 2745006 in words is "two million, seven hundred forty-five thousand, six".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 121 199 209 242 363 398 418 597 627 726 1194 1254 2189 2299 3781 4378 4598 6567 6897 7562 11343 13134 13794 22686 24079 41591 48158 72237 83182 124773 144474 249546 457501 915002 1372503 2745006