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4155293 = 17244429
BaseRepresentation
bin1111110110011110011101
321211002222202
433312132131
52030432133
6225021245
750214362
oct17663635
97732882
104155293
112388a2a
121484825
13b2646c
147a2469
155712e8
hex3f679d

4155293 has 4 divisors (see below), whose sum is σ = 4399740. Its totient is φ = 3910848.

The previous prime is 4155269. The next prime is 4155301. The reversal of 4155293 is 3925514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 994009 = 1778^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 4155293 - 28 = 4155037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122198 + ... + 122231.

It is an arithmetic number, because the mean of its divisors is an integer number (1099935).

Almost surely, 24155293 is an apocalyptic number.

It is an amenable number.

4155293 is a deficient number, since it is larger than the sum of its proper divisors (244447).

4155293 is a wasteful number, since it uses less digits than its factorization.

4155293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244446.

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

The square root of 4155293 is about 2038.4535805360. The cubic root of 4155293 is about 160.7683486171.

The spelling of 4155293 in words is "four million, one hundred fifty-five thousand, two hundred ninety-three".

Divisors: 1 17 244429 4155293