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2427149 = 5934093
BaseRepresentation
bin1001010000100100001101
311120022102102
421100210031
51110132044
6124004445
726426144
oct11204415
94508372
102427149
11140860a
12990725
1366c9aa
1447275b
1532e24e
hex25090d

2427149 has 4 divisors (see below), whose sum is σ = 2431836. Its totient is φ = 2422464.

The previous prime is 2427143. The next prime is 2427151. The reversal of 2427149 is 9417242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 1177225 = 1118^2 + 1085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2427149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427143) 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, 1454 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (607959).

22427149 is an apocalyptic number.

It is an amenable number.

2427149 is a deficient number, since it is larger than the sum of its proper divisors (4687).

2427149 is an equidigital number, since it uses as much as digits as its factorization.

2427149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686.

The product of its digits is 4032, while the sum is 29.

The square root of 2427149 is about 1557.9309997558. The cubic root of 2427149 is about 134.3895436936.

The spelling of 2427149 in words is "two million, four hundred twenty-seven thousand, one hundred forty-nine".

Divisors: 1 593 4093 2427149