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2147398 = 21197609
BaseRepresentation
bin1000001100010001000110
311001002200021
420030101012
51022204043
6114005354
724152431
oct10142106
94032607
102147398
111237410
1287685a
135a2566
143dc818
152c63ed
hex20c446

2147398 has 8 divisors (see below), whose sum is σ = 3513960. Its totient is φ = 976080.

The previous prime is 2147381. The next prime is 2147407. The reversal of 2147398 is 8937412.

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

It is a super-2 number, since 2×21473982 = 9222636340808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48783 + ... + 48826.

It is an arithmetic number, because the mean of its divisors is an integer number (439245).

22147398 is an apocalyptic number.

2147398 is a deficient number, since it is larger than the sum of its proper divisors (1366562).

2147398 is a wasteful number, since it uses less digits than its factorization.

2147398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97622.

The product of its digits is 12096, while the sum is 34.

The square root of 2147398 is about 1465.4002866111. The cubic root of 2147398 is about 129.0142003077.

The spelling of 2147398 in words is "two million, one hundred forty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 11 22 97609 195218 1073699 2147398