Search a number
-
+
2141390 = 251971087
BaseRepresentation
bin1000001010110011001110
311000210102202
420022303032
51022011030
6113521502
724126056
oct10126316
94023382
102141390
111232949
12873292
1359c8c4
143da566
152c4745
hex20acce

2141390 has 16 divisors (see below), whose sum is σ = 3877632. Its totient is φ = 851424.

The previous prime is 2141333. The next prime is 2141401. The reversal of 2141390 is 931412.

It is a super-2 number, since 2×21413902 = 9171102264200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (242352).

22141390 is an apocalyptic number.

2141390 is a deficient number, since it is larger than the sum of its proper divisors (1736242).

2141390 is a wasteful number, since it uses less digits than its factorization.

2141390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2141390 is about 1463.3488989301. The cubic root of 2141390 is about 128.8937690824.

The spelling of 2141390 in words is "two million, one hundred forty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 197 394 985 1087 1970 2174 5435 10870 214139 428278 1070695 2141390