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2148371 = 89101239
BaseRepresentation
bin1000001100100000010011
311001011000022
420030200103
51022221441
6114014055
724155321
oct10144023
94034008
102148371
111238115
1287732b
135a2b34
143dcd11
152c684b
hex20c813

2148371 has 8 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 2094400.

The previous prime is 2148353. The next prime is 2148373. The reversal of 2148371 is 1738412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2148371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148371.

It is not an unprimeable number, because it can be changed into a prime (2148373) 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, 8870 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

22148371 is an apocalyptic number.

2148371 is a deficient number, since it is larger than the sum of its proper divisors (54829).

2148371 is a wasteful number, since it uses less digits than its factorization.

2148371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 1344, while the sum is 26.

The square root of 2148371 is about 1465.7322402131. The cubic root of 2148371 is about 129.0336830898.

The spelling of 2148371 in words is "two million, one hundred forty-eight thousand, three hundred seventy-one".

Divisors: 1 89 101 239 8989 21271 24139 2148371