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348471738 = 23219359541
BaseRepresentation
bin10100110001010…
…100000110111010
3220021201012100200
4110301110012322
51203202043423
654324543030
711430650406
oct2461240672
9807635320
10348471738
11169780a7a
1298851a76
135726c6c4
14343d0106
15208d5d43
hex14c541ba

348471738 has 12 divisors (see below), whose sum is σ = 755022138. Its totient is φ = 116157240.

The previous prime is 348471737. The next prime is 348471769. The reversal of 348471738 is 837174843.

It can be written as a sum of positive squares in only one way, i.e., 329313609 + 19158129 = 18147^2 + 4377^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 348471693 and 348471702.

It is not an unprimeable number, because it can be changed into a prime (348471731) 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 5 ways as a sum of consecutive naturals, for example, 9679753 + ... + 9679788.

Almost surely, 2348471738 is an apocalyptic number.

348471738 is an abundant number, since it is smaller than the sum of its proper divisors (406550400).

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

348471738 is a wasteful number, since it uses less digits than its factorization.

348471738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19359549 (or 19359546 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 348471738 is about 18667.3977297319. The cubic root of 348471738 is about 703.7026510382.

It can be divided in two parts, 34847 and 1738, that added together give a triangular number (36585 = T270).

The spelling of 348471738 in words is "three hundred forty-eight million, four hundred seventy-one thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 9 18 19359541 38719082 58078623 116157246 174235869 348471738