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348028 = 22167521
BaseRepresentation
bin1010100111101111100
3122200101221
41110331330
542114103
611243124
72646442
oct1247574
9580357
10348028
1121852a
121494a4
13c2545
1490b92
156d1bd
hex54f7c

348028 has 12 divisors (see below), whose sum is σ = 613872. Its totient is φ = 172640.

The previous prime is 348017. The next prime is 348031. The reversal of 348028 is 820843.

It is a super-2 number, since 2×3480282 = 242246977568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 347993 and 348011.

It is a congruent number.

It is an unprimeable number.

348028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (51156).

2348028 is an apocalyptic number.

It is an amenable number.

348028 is a deficient number, since it is larger than the sum of its proper divisors (265844).

348028 is a wasteful number, since it uses less digits than its factorization.

348028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 348028 is about 589.9389798954. The cubic root of 348028 is about 70.3403829825.

The spelling of 348028 in words is "three hundred forty-eight thousand, twenty-eight".

Divisors: 1 2 4 167 334 521 668 1042 2084 87007 174014 348028