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2141442 = 232271439
BaseRepresentation
bin1000001010110100000010
311000210111200
420022310002
51022011232
6113522030
724126162
oct10126402
94023450
102141442
111232996
12873316
1359c934
143da5a2
152c477c
hex20ad02

2141442 has 24 divisors (see below), whose sum is σ = 4667520. Its totient is φ = 709560.

The previous prime is 2141437. The next prime is 2141459. The reversal of 2141442 is 2441412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4659 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (194480).

22141442 is an apocalyptic number.

2141442 is an abundant number, since it is smaller than the sum of its proper divisors (2526078).

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

2141442 is a wasteful number, since it uses less digits than its factorization.

2141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 715 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 2141442 is about 1463.3666662870. The cubic root of 2141442 is about 128.8948123957.

Adding to 2141442 its reverse (2441412), we get a palindrome (4582854).

The spelling of 2141442 in words is "two million, one hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 271 439 542 813 878 1317 1626 2439 2634 3951 4878 7902 118969 237938 356907 713814 1070721 2141442