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245392 = 2472313
BaseRepresentation
bin111011111010010000
3110110121121
4323322100
530323032
65132024
72041300
oct737220
9413547
10245392
11158404
12ba014
1387904
1465600
154ca97
hex3be90

245392 has 30 divisors (see below), whose sum is σ = 554838. Its totient is φ = 104832.

The previous prime is 245389. The next prime is 245407. The reversal of 245392 is 293542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132496 + 112896 = 364^2 + 336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628 + ... + 940.

2245392 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 245392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277419).

245392 is an abundant number, since it is smaller than the sum of its proper divisors (309446).

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

245392 is a wasteful number, since it uses less digits than its factorization.

245392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 322 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 245392 is about 495.3705683627. The cubic root of 245392 is about 62.6066020726.

The spelling of 245392 in words is "two hundred forty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 313 392 626 784 1252 2191 2504 4382 5008 8764 15337 17528 30674 35056 61348 122696 245392