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348029980 = 22535294931
BaseRepresentation
bin10100101111101…
…000010000011100
3220020212202101021
4110233220100130
51203043424410
654311253524
711424130444
oct2457502034
9806782337
10348029980
111694aa091
129867a2a4
13571465cc
1434317124
1520849eda
hex14be841c

348029980 has 24 divisors (see below), whose sum is σ = 731218320. Its totient is φ = 139144320.

The previous prime is 348029977. The next prime is 348029987. The reversal of 348029980 is 89920843.

It is a happy number.

It is a super-2 number, since 2×3480299802 = 242249733957600800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348029987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68115 + ... + 73045.

It is an arithmetic number, because the mean of its divisors is an integer number (30467430).

Almost surely, 2348029980 is an apocalyptic number.

It is an amenable number.

348029980 is an abundant number, since it is smaller than the sum of its proper divisors (383188340).

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

348029980 is a wasteful number, since it uses less digits than its factorization.

348029980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 348029980 is about 18655.5616372169. The cubic root of 348029980 is about 703.4051637566.

The spelling of 348029980 in words is "three hundred forty-eight million, twenty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 3529 4931 7058 9862 14116 17645 19724 24655 35290 49310 70580 98620 17401499 34802998 69605996 87007495 174014990 348029980