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348920 = 235111361
BaseRepresentation
bin1010101001011111000
3122201121222
41111023320
542131140
611251212
72652155
oct1251370
9581558
10348920
11219170
12149b08
13c2a80
149122c
156d5b5
hex552f8

348920 has 64 divisors (see below), whose sum is σ = 937440. Its totient is φ = 115200.

The previous prime is 348919. The next prime is 348923. The reversal of 348920 is 29843.

348920 = T75 + T76 + ... + T135.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 348920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690 + ... + 5750.

2348920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468720).

348920 is an abundant number, since it is smaller than the sum of its proper divisors (588520).

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

348920 is a wasteful number, since it uses less digits than its factorization.

348920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 348920 is about 590.6945064921. The cubic root of 348920 is about 70.4004261338.

The spelling of 348920 in words is "three hundred forty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 61 65 88 104 110 122 130 143 220 244 260 286 305 440 488 520 572 610 671 715 793 1144 1220 1342 1430 1586 2440 2684 2860 3172 3355 3965 5368 5720 6344 6710 7930 8723 13420 15860 17446 26840 31720 34892 43615 69784 87230 174460 348920