Search a number
-
+
348395520 = 21135111031
BaseRepresentation
bin10100110001000…
…001100000000000
3220021120022210210
4110301001200000
51203142124040
654323154120
711430212244
oct2461014000
9807508723
10348395520
11169729790
1298815940
1357243ac5
14343b0424
15208bd480
hex14c41800

348395520 has 192 divisors, whose sum is σ = 1217099520. Its totient is φ = 84377600.

The previous prime is 348395519. The next prime is 348395527. The reversal of 348395520 is 25593843.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348395527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337405 + ... + 338435.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2348395520 is an apocalyptic number.

348395520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348395520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608549760).

348395520 is an abundant number, since it is smaller than the sum of its proper divisors (868704000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348395520 is a wasteful number, since it uses less digits than its factorization.

348395520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 348395520 is about 18665.3561444726. The cubic root of 348395520 is about 703.6513425067.

The spelling of 348395520 in words is "three hundred forty-eight million, three hundred ninety-five thousand, five hundred twenty".