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2147197 = 13331499
BaseRepresentation
bin1000001100001101111101
311001002101211
420030031331
51022202242
6114004421
724152023
oct10141575
94032354
102147197
111237248
12876711
135a2440
143dc713
152c6317
hex20c37d

2147197 has 8 divisors (see below), whose sum is σ = 2324000. Its totient is φ = 1972080.

The previous prime is 2147177. The next prime is 2147213. The reversal of 2147197 is 7917412.

2147197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2147197 - 215 = 2114429 is a prime.

It is a super-2 number, since 2×21471972 = 9220909913618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4054 + ... + 4552.

It is an arithmetic number, because the mean of its divisors is an integer number (290500).

22147197 is an apocalyptic number.

It is an amenable number.

2147197 is a deficient number, since it is larger than the sum of its proper divisors (176803).

2147197 is a wasteful number, since it uses less digits than its factorization.

2147197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its digits is 3528, while the sum is 31.

The square root of 2147197 is about 1465.3317030625. The cubic root of 2147197 is about 129.0101748680.

The spelling of 2147197 in words is "two million, one hundred forty-seven thousand, one hundred ninety-seven".

Divisors: 1 13 331 499 4303 6487 165169 2147197