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348929885 = 5294158693
BaseRepresentation
bin10100110011000…
…011111101011101
3220022120110211002
4110303003331131
51203311224020
654342440045
711434566203
oct2463037535
9808513732
10348929885
11169a64207
1298a33025
13573a00b5
14344ad073
1520976975
hex14cc3f5d

348929885 has 16 divisors (see below), whose sum is σ = 443726640. Its totient is φ = 262940160.

The previous prime is 348929873. The next prime is 348929887. The reversal of 348929885 is 588929843.

It can be written as a sum of positive squares in 8 ways, for example, as 43309561 + 305620324 = 6581^2 + 17482^2 .

It is not a de Polignac number, because 348929885 - 28 = 348929629 is a prime.

It is a super-2 number, since 2×3489298852 = 243504129292226450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 348929885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348929887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23402 + ... + 35291.

It is an arithmetic number, because the mean of its divisors is an integer number (27732915).

Almost surely, 2348929885 is an apocalyptic number.

It is an amenable number.

348929885 is a deficient number, since it is larger than the sum of its proper divisors (94796755).

348929885 is a wasteful number, since it uses less digits than its factorization.

348929885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58768.

The product of its digits is 4976640, while the sum is 56.

The square root of 348929885 is about 18679.6650130563. The cubic root of 348929885 is about 704.0109094868.

The spelling of 348929885 in words is "three hundred forty-eight million, nine hundred twenty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 29 41 145 205 1189 5945 58693 293465 1702097 2406413 8510485 12032065 69785977 348929885