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348391902 = 23232524579
BaseRepresentation
bin10100110001000…
…000100111011110
3220021120010211210
4110301000213132
51203142020102
654323125250
711430165555
oct2461004736
9807503753
10348391902
11169726aa1
1298813826
1357242271
14343acd9c
15208bc36c
hex14c409de

348391902 has 16 divisors (see below), whose sum is σ = 727079040. Its totient is φ = 111081432.

The previous prime is 348391837. The next prime is 348391903. The reversal of 348391902 is 209193843.

348391902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348391903) 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, 1262152 + ... + 1262427.

It is an arithmetic number, because the mean of its divisors is an integer number (45442440).

Almost surely, 2348391902 is an apocalyptic number.

348391902 is an abundant number, since it is smaller than the sum of its proper divisors (378687138).

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

348391902 is a wasteful number, since it uses less digits than its factorization.

348391902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524607.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 348391902 is about 18665.2592267024. The cubic root of 348391902 is about 703.6489067507.

The spelling of 348391902 in words is "three hundred forty-eight million, three hundred ninety-one thousand, nine hundred two".

Divisors: 1 2 3 6 23 46 69 138 2524579 5049158 7573737 15147474 58065317 116130634 174195951 348391902