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2141387 = 31671031
BaseRepresentation
bin1000001010110011001011
311000210102122
420022303023
51022011022
6113521455
724126053
oct10126313
94023378
102141387
111232946
1287328b
1359c8c1
143da563
152c4742
hex20accb

2141387 has 8 divisors (see below), whose sum is σ = 2245632. Its totient is φ = 2039400.

The previous prime is 2141333. The next prime is 2141401. The reversal of 2141387 is 7831412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2141387 - 28 = 2141131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (280704).

22141387 is an apocalyptic number.

2141387 is a deficient number, since it is larger than the sum of its proper divisors (104245).

2141387 is a wasteful number, since it uses less digits than its factorization.

2141387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its digits is 1344, while the sum is 26.

The square root of 2141387 is about 1463.3478738837. The cubic root of 2141387 is about 128.8937088907.

Adding to 2141387 its reverse (7831412), we get a palindrome (9972799).

The spelling of 2141387 in words is "two million, one hundred forty-one thousand, three hundred eighty-seven".

Divisors: 1 31 67 1031 2077 31961 69077 2141387