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348138100 = 225210913191
BaseRepresentation
bin10100110000000…
…010101001110100
3220021002020200201
4110300002221310
51203110404400
654313450244
711425060612
oct2460025164
9807066621
10348138100
11169573342
1298710984
135718389b
14343446b2
152086c06a
hex14c02a74

348138100 has 36 divisors (see below), whose sum is σ = 756389088. Its totient is φ = 139084000.

The previous prime is 348138073. The next prime is 348138101. The reversal of 348138100 is 1831843.

It is a super-2 number, since 2×3481381002 = 242400273343220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348138101) 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 11 ways as a sum of consecutive naturals, for example, 107505 + ... + 110695.

It is an arithmetic number, because the mean of its divisors is an integer number (21010808).

Almost surely, 2348138100 is an apocalyptic number.

It is an amenable number.

348138100 is an abundant number, since it is smaller than the sum of its proper divisors (408250988).

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

348138100 is a wasteful number, since it uses less digits than its factorization.

348138100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 348138100 is about 18658.4592075552. The cubic root of 348138100 is about 703.4779968424.

Adding to 348138100 its reverse (1831843), we get a palindrome (349969943).

The spelling of 348138100 in words is "three hundred forty-eight million, one hundred thirty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1091 2182 3191 4364 5455 6382 10910 12764 15955 21820 27275 31910 54550 63820 79775 109100 159550 319100 3481381 6962762 13925524 17406905 34813810 69627620 87034525 174069050 348138100