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348026428 = 22419207653
BaseRepresentation
bin10100101111100…
…111011000111100
3220020212120111201
4110233213120330
51203043321203
654311225244
711424114211
oct2457473074
9806776451
10348026428
111694a7452
1298678224
1357144ac9
1434315b08
1520848e1d
hex14be763c

348026428 has 12 divisors (see below), whose sum is σ = 610502760. Its totient is φ = 173597072.

The previous prime is 348026417. The next prime is 348026449. The reversal of 348026428 is 824620843.

It is a super-2 number, since 2×3480264282 = 242244789172878368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102151 + ... + 105502.

It is an arithmetic number, because the mean of its divisors is an integer number (50875230).

Almost surely, 2348026428 is an apocalyptic number.

It is an amenable number.

348026428 is a deficient number, since it is larger than the sum of its proper divisors (262476332).

348026428 is a wasteful number, since it uses less digits than its factorization.

348026428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208076 (or 208074 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 348026428 is about 18655.4664374815. The cubic root of 348026428 is about 703.4027707600.

The spelling of 348026428 in words is "three hundred forty-eight million, twenty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 419 838 1676 207653 415306 830612 87006607 174013214 348026428