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2740030 = 25412163
BaseRepresentation
bin1010011100111100111110
312011012121121
422130330332
51200140110
6134421154
732201266
oct12347476
95135547
102740030
111601697
12b017ba
1374c227
145147a6
15391cda
hex29cf3e

2740030 has 24 divisors (see below), whose sum is σ = 5086296. Its totient is φ = 1062720.

The previous prime is 2740027. The next prime is 2740037. The reversal of 2740030 is 300472.

It is a junction number, because it is equal to n+sod(n) for n = 2739986 and 2740013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16729 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (211929).

22740030 is an apocalyptic number.

2740030 is a deficient number, since it is larger than the sum of its proper divisors (2346266).

2740030 is a wasteful number, since it uses less digits than its factorization.

2740030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2740030 is about 1655.3035975313. The cubic root of 2740030 is about 139.9324504060.

It can be divided in two parts, 2 and 740030, that multiplied together give a triangular number (1480060 = T1720).

The spelling of 2740030 in words is "two million, seven hundred forty thousand, thirty".

Divisors: 1 2 5 10 41 82 163 205 326 410 815 1630 1681 3362 6683 8405 13366 16810 33415 66830 274003 548006 1370015 2740030