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2148933 = 34117471
BaseRepresentation
bin1000001100101001000101
311001011210010
420030221011
51022231213
6114020433
724160053
oct10145105
94034703
102148933
111238586
12877719
135a3177
143dd1d3
152c6ac3
hex20ca45

2148933 has 8 divisors (see below), whose sum is σ = 2935296. Its totient is φ = 1397600.

The previous prime is 2148907. The next prime is 2148947. The reversal of 2148933 is 3398412.

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 2148933 - 26 = 2148869 is a prime.

2148933 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8613 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

22148933 is an apocalyptic number.

It is an amenable number.

2148933 is a deficient number, since it is larger than the sum of its proper divisors (786363).

2148933 is a wasteful number, since it uses less digits than its factorization.

2148933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515.

The product of its digits is 5184, while the sum is 30.

The square root of 2148933 is about 1465.9239407282. The cubic root of 2148933 is about 129.0449335686.

It can be divided in two parts, 2148 and 933, that added together give a triangular number (3081 = T78).

The spelling of 2148933 in words is "two million, one hundred forty-eight thousand, nine hundred thirty-three".

Divisors: 1 3 41 123 17471 52413 716311 2148933