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2427949 = 23105563
BaseRepresentation
bin1001010000110000101101
311120100112001
421100300231
51110143244
6124012301
726431366
oct11206055
94510461
102427949
111409177
12991091
13670174
14472b6d
1532e5d4
hex250c2d

2427949 has 4 divisors (see below), whose sum is σ = 2533536. Its totient is φ = 2322364.

The previous prime is 2427947. The next prime is 2427961. The reversal of 2427949 is 9497242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9497242 = 24748621.

It is a cyclic number.

It is not a de Polignac number, because 2427949 - 21 = 2427947 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 (2427947) 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, 52759 + ... + 52804.

It is an arithmetic number, because the mean of its divisors is an integer number (633384).

22427949 is an apocalyptic number.

It is an amenable number.

2427949 is a deficient number, since it is larger than the sum of its proper divisors (105587).

2427949 is a wasteful number, since it uses less digits than its factorization.

2427949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105586.

The product of its digits is 36288, while the sum is 37.

The square root of 2427949 is about 1558.1877293831. The cubic root of 2427949 is about 134.4043072186.

The spelling of 2427949 in words is "two million, four hundred twenty-seven thousand, nine hundred forty-nine".

Divisors: 1 23 105563 2427949