Search a number
-
+
2142750 = 23532857
BaseRepresentation
bin1000001011001000011110
311000212022010
420023020132
51022032000
6113532050
724133041
oct10131036
94025263
102142750
111233975
12874026
135a03cc
143dac58
152c4d50
hex20b21e

2142750 has 32 divisors (see below), whose sum is σ = 5350176. Its totient is φ = 571200.

The previous prime is 2142743. The next prime is 2142761. The reversal of 2142750 is 572412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (167193).

22142750 is an apocalyptic number.

2142750 is an abundant number, since it is smaller than the sum of its proper divisors (3207426).

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

2142750 is a wasteful number, since it uses less digits than its factorization.

2142750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2142750 is about 1463.8135127126. The cubic root of 2142750 is about 128.9210501831.

The spelling of 2142750 in words is "two million, one hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 2857 5714 8571 14285 17142 28570 42855 71425 85710 142850 214275 357125 428550 714250 1071375 2142750