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2672730 = 233519521
BaseRepresentation
bin1010001100100001011010
312000210022000
422030201122
51141011410
6133141430
731501134
oct12144132
95023260
102672730
111566075
12a8a876
137276c8
144d8054
1537bdc0
hex28c85a

2672730 has 64 divisors (see below), whose sum is σ = 7516800. Its totient is φ = 673920.

The previous prime is 2672701. The next prime is 2672731. The reversal of 2672730 is 372762.

Subtracting from 2672730 its reverse (372762), we obtain a cube (2299968 = 1323).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2672694 and 2672703.

It is not an unprimeable number, because it can be changed into a prime (2672731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4870 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (117450).

22672730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2672730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3758400).

2672730 is an abundant number, since it is smaller than the sum of its proper divisors (4844070).

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

2672730 is a wasteful number, since it uses less digits than its factorization.

2672730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 2672730 is about 1634.8486168450. The cubic root of 2672730 is about 138.7772773252. Note that the first 3 decimals are identical.

The spelling of 2672730 in words is "two million, six hundred seventy-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 114 135 171 190 270 285 342 513 521 570 855 1026 1042 1563 1710 2565 2605 3126 4689 5130 5210 7815 9378 9899 14067 15630 19798 23445 28134 29697 46890 49495 59394 70335 89091 98990 140670 148485 178182 267273 296970 445455 534546 890910 1336365 2672730