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2149355 = 51343769
BaseRepresentation
bin1000001100101111101011
311001012100202
420030233223
51022234410
6114022415
724161225
oct10145753
94035322
102149355
11123892a
12877a0b
135a3410
143dd415
152c6ca5
hex20cbeb

2149355 has 16 divisors (see below), whose sum is σ = 2845920. Its totient is φ = 1548288.

The previous prime is 2149351. The next prime is 2149379. The reversal of 2149355 is 5539412.

It is a cyclic number.

It is not a de Polignac number, because 2149355 - 22 = 2149351 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 4 + 95 + 310 + 57 + 59 .

It is not an unprimeable number, because it can be changed into a prime (2149351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

22149355 is an apocalyptic number.

2149355 is a deficient number, since it is larger than the sum of its proper divisors (696565).

2149355 is a wasteful number, since it uses less digits than its factorization.

2149355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 5400, while the sum is 29.

The square root of 2149355 is about 1466.0678701888. The cubic root of 2149355 is about 129.0533801477.

The spelling of 2149355 in words is "two million, one hundred forty-nine thousand, three hundred fifty-five".

Divisors: 1 5 13 43 65 215 559 769 2795 3845 9997 33067 49985 165335 429871 2149355