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348940 = 22573239
BaseRepresentation
bin1010101001100001100
3122201122201
41111030030
542131230
611251244
72652214
oct1251414
9581581
10348940
11219189
12149b24
13c2a97
1491244
156d5ca
hex5530c

348940 has 24 divisors (see below), whose sum is σ = 745920. Its totient is φ = 137088.

The previous prime is 348937. The next prime is 348949. The reversal of 348940 is 49843.

It is a junction number, because it is equal to n+sod(n) for n = 348899 and 348908.

It is not an unprimeable number, because it can be changed into a prime (348949) 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, 1341 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (31080).

2348940 is an apocalyptic number.

It is an amenable number.

348940 is an abundant number, since it is smaller than the sum of its proper divisors (396980).

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

348940 is a wasteful number, since it uses less digits than its factorization.

348940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 348940 is about 590.7114354742. The cubic root of 348940 is about 70.4017712192.

The spelling of 348940 in words is "three hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 73 146 239 292 365 478 730 956 1195 1460 2390 4780 17447 34894 69788 87235 174470 348940