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2427397 = 72315077
BaseRepresentation
bin1001010000101000000101
311120022202121
421100220011
51110134042
6124005541
726426650
oct11205005
94508677
102427397
111408815
129908b1
1366cb3b
14472897
1532e367
hex250a05

2427397 has 8 divisors (see below), whose sum is σ = 2894976. Its totient is φ = 1990032.

The previous prime is 2427389. The next prime is 2427407. The reversal of 2427397 is 7937242.

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 2427397 - 23 = 2427389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7378 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (361872).

22427397 is an apocalyptic number.

It is an amenable number.

2427397 is a deficient number, since it is larger than the sum of its proper divisors (467579).

2427397 is a wasteful number, since it uses less digits than its factorization.

2427397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107.

The product of its digits is 21168, while the sum is 34.

The square root of 2427397 is about 1558.0105904646. The cubic root of 2427397 is about 134.3941207332.

The spelling of 2427397 in words is "two million, four hundred twenty-seven thousand, three hundred ninety-seven".

Divisors: 1 7 23 161 15077 105539 346771 2427397