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349901 = 1312671
BaseRepresentation
bin1010101011011001101
3122202222022
41111123031
542144101
611255525
72655056
oct1253315
9582868
10349901
11219982
1214a5a5
13c3356
149172d
156da1b
hex556cd

349901 has 4 divisors (see below), whose sum is σ = 352704. Its totient is φ = 347100.

The previous prime is 349871. The next prime is 349903. The reversal of 349901 is 109943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349901 - 26 = 349837 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (88176).

2349901 is an apocalyptic number.

It is an amenable number.

349901 is a deficient number, since it is larger than the sum of its proper divisors (2803).

349901 is a wasteful number, since it uses less digits than its factorization.

349901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 349901 is about 591.5243021212. The cubic root of 349901 is about 70.4663420981.

The spelling of 349901 in words is "three hundred forty-nine thousand, nine hundred one".

Divisors: 1 131 2671 349901