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348989101 = 934137361
BaseRepresentation
bin10100110011010…
…010011010101101
3220022200111001021
4110303102122231
51203320122401
654344014141
711435233636
oct2463223255
9808614037
10348989101
11169aa474a
1298a61351
13573c1036
14344c688d
15209892a1
hex14cd26ad

348989101 has 4 divisors (see below), whose sum is σ = 349035804. Its totient is φ = 348942400.

The previous prime is 348989059. The next prime is 348989117. The reversal of 348989101 is 101989843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101989843 = 234434341.

It can be written as a sum of positive squares in 2 ways, for example, as 172896201 + 176092900 = 13149^2 + 13270^2 .

It is a 3-Lehmer number, since φ(348989101) divides (348989101-1)3.

It is a cyclic number.

It is not a de Polignac number, because 348989101 - 227 = 214771373 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 (348989191) 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, 9340 + ... + 28021.

It is an arithmetic number, because the mean of its divisors is an integer number (87258951).

It is a Poulet number, since it divides 2348989100-1.

Almost surely, 2348989101 is an apocalyptic number.

348989101 is the 9341-st decagonal number.

It is an amenable number.

348989101 is a deficient number, since it is larger than the sum of its proper divisors (46703).

348989101 is an equidigital number, since it uses as much as digits as its factorization.

348989101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46702.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 348989101 is about 18681.2499849448. The cubic root of 348989101 is about 704.0507325322.

The spelling of 348989101 in words is "three hundred forty-eight million, nine hundred eighty-nine thousand, one hundred one".

Divisors: 1 9341 37361 348989101