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348355428 = 22343367043
BaseRepresentation
bin10100110000110…
…111101101100100
3220021111021210220
4110300313231210
51203134333203
654322244340
711426654331
oct2460675544
9807437726
10348355428
11169701653
12987b66b0
135722b795
143439d988
15208b1653
hex14c37b64

348355428 has 24 divisors (see below), whose sum is σ = 814718688. Its totient is φ = 115848576.

The previous prime is 348355409. The next prime is 348355429. The reversal of 348355428 is 824553843.

It is a self number, because there is not a number n which added to its sum of digits gives 348355428.

It is not an unprimeable number, because it can be changed into a prime (348355429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28326 + ... + 38717.

It is an arithmetic number, because the mean of its divisors is an integer number (33946612).

Almost surely, 2348355428 is an apocalyptic number.

It is an amenable number.

348355428 is an abundant number, since it is smaller than the sum of its proper divisors (466363260).

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

348355428 is a wasteful number, since it uses less digits than its factorization.

348355428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67483 (or 67481 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 348355428 is about 18664.2821453170. The cubic root of 348355428 is about 703.6243503189.

The spelling of 348355428 in words is "three hundred forty-eight million, three hundred fifty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 433 866 1299 1732 2598 5196 67043 134086 201129 268172 402258 804516 29029619 58059238 87088857 116118476 174177714 348355428