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2141156 = 221393851
BaseRepresentation
bin1000001010101111100100
311000210010002
420022233210
51022004111
6113520432
724125303
oct10125744
94023102
102141156
111232756
12873118
1359c774
143da43a
152c463b
hex20abe4

2141156 has 12 divisors (see below), whose sum is σ = 3774960. Its totient is φ = 1062600.

The previous prime is 2141149. The next prime is 2141159. The reversal of 2141156 is 6511412.

It is not an unprimeable number, because it can be changed into a prime (2141159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (314580).

22141156 is an apocalyptic number.

It is an amenable number.

2141156 is a deficient number, since it is larger than the sum of its proper divisors (1633804).

2141156 is a wasteful number, since it uses less digits than its factorization.

2141156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3992 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 2141156 is about 1463.2689431543. The cubic root of 2141156 is about 128.8890739637.

Adding to 2141156 its reverse (6511412), we get a palindrome (8652568).

The spelling of 2141156 in words is "two million, one hundred forty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 139 278 556 3851 7702 15404 535289 1070578 2141156