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348052072 = 2343506509
BaseRepresentation
bin10100101111101…
…101101001101000
3220020220212200111
4110233231221220
51203100131242
654311544104
711424252034
oct2457555150
9806825614
10348052072
11169514745
129868b034
1357153694
14343211c4
1520851817
hex14beda68

348052072 has 8 divisors (see below), whose sum is σ = 652597650. Its totient is φ = 174026032.

The previous prime is 348052057. The next prime is 348052073. The reversal of 348052072 is 270250843.

It can be written as a sum of positive squares in only one way, i.e., 330294276 + 17757796 = 18174^2 + 4214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3480520722 = 242280489646986368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348052073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21753247 + ... + 21753262.

Almost surely, 2348052072 is an apocalyptic number.

It is an amenable number.

348052072 is a deficient number, since it is larger than the sum of its proper divisors (304545578).

348052072 is a wasteful number, since it uses less digits than its factorization.

348052072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43506515 (or 43506511 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 348052072 is about 18656.1537300699. The cubic root of 348052072 is about 703.4200468596.

The spelling of 348052072 in words is "three hundred forty-eight million, fifty-two thousand, seventy-two".

Divisors: 1 2 4 8 43506509 87013018 174026036 348052072