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2134481 = 2279403
BaseRepresentation
bin1000001001000111010001
311000102221212
420021013101
51021300411
6113425505
724066656
oct10110721
94012855
102134481
111228738
1286b295
1359970b
143d7c2d
152c268b
hex2091d1

2134481 has 4 divisors (see below), whose sum is σ = 2144112. Its totient is φ = 2124852.

The previous prime is 2134471. The next prime is 2134507. The reversal of 2134481 is 1844312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2134481 - 26 = 2134417 is a prime.

It is a super-2 number, since 2×21344812 = 9112018278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134471) 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, 4475 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (536028).

22134481 is an apocalyptic number.

It is an amenable number.

2134481 is a deficient number, since it is larger than the sum of its proper divisors (9631).

2134481 is an equidigital number, since it uses as much as digits as its factorization.

2134481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630.

The product of its digits is 768, while the sum is 23.

The square root of 2134481 is about 1460.9863106819. The cubic root of 2134481 is about 128.7549983921.

Adding to 2134481 its reverse (1844312), we get a palindrome (3978793).

The spelling of 2134481 in words is "two million, one hundred thirty-four thousand, four hundred eighty-one".

Divisors: 1 227 9403 2134481