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348680769 = 34114531951
BaseRepresentation
bin10100110010000…
…111001001000001
3220022002211002120
4110302013021001
51203230241034
654333234453
711432511003
oct2462071101
9808084076
10348680769
11169904028
1298932a29
13573138a8
1434446373
1520927c49
hex14c87241

348680769 has 16 divisors (see below), whose sum is σ = 476818944. Its totient is φ = 226512000.

The previous prime is 348680719. The next prime is 348680771. The reversal of 348680769 is 967086843.

It is not a de Polignac number, because 348680769 - 212 = 348676673 is a prime.

It is a super-2 number, since 2×3486807692 = 243156557340862722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348680719) 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 15 ways as a sum of consecutive naturals, for example, 177744 + ... + 179694.

It is an arithmetic number, because the mean of its divisors is an integer number (29801184).

Almost surely, 2348680769 is an apocalyptic number.

It is an amenable number.

348680769 is a deficient number, since it is larger than the sum of its proper divisors (128138175).

348680769 is a wasteful number, since it uses less digits than its factorization.

348680769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 348680769 is about 18672.9957157388. The cubic root of 348680769 is about 703.8433284120.

It can be divided in two parts, 3486 and 80769, that added together give a triangular number (84255 = T410).

The spelling of 348680769 in words is "three hundred forty-eight million, six hundred eighty thousand, seven hundred sixty-nine".

Divisors: 1 3 41 123 1453 1951 4359 5853 59573 79991 178719 239973 2834803 8504409 116226923 348680769