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349087 = 192967
BaseRepresentation
bin1010101001110011111
3122201212011
41111032133
542132322
611252051
72652514
oct1251637
9581764
10349087
11219302
1214a027
13c2b7b
149130b
156d677
hex5539f

349087 has 6 divisors (see below), whose sum is σ = 368808. Its totient is φ = 330372.

The previous prime is 349081. The next prime is 349093. The reversal of 349087 is 780943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349081) and next prime (349093).

It is not a de Polignac number, because 349087 - 23 = 349079 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 (349081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (61468).

2349087 is an apocalyptic number.

349087 is a deficient number, since it is larger than the sum of its proper divisors (19721).

349087 is an equidigital number, since it uses as much as digits as its factorization.

349087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 349087 is about 590.8358486077. The cubic root of 349087 is about 70.4116560203.

The spelling of 349087 in words is "three hundred forty-nine thousand, eighty-seven".

Divisors: 1 19 361 967 18373 349087