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295220 = 22529509
BaseRepresentation
bin1001000000100110100
3112222222002
41020010310
533421340
610154432
72336462
oct1100464
9488862
10295220
11191892
12122a18
13a44b3
1479832
155c715
hex48134

295220 has 24 divisors (see below), whose sum is σ = 642600. Its totient is φ = 113792.

The previous prime is 295219. The next prime is 295237. The reversal of 295220 is 22592.

295220 = T5 + T6 + ... + T120.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 226576 = 262^2 + 476^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 295192 and 295201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 295220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

2295220 is an apocalyptic number.

295220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 295220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321300).

295220 is an abundant number, since it is smaller than the sum of its proper divisors (347380).

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

295220 is a wasteful number, since it uses less digits than its factorization.

295220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 295220 is about 543.3415132309. The cubic root of 295220 is about 66.5858465056.

It can be divided in two parts, 295 and 220, that added together give a palindrome (515).

The spelling of 295220 in words is "two hundred ninety-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 509 580 1018 2036 2545 5090 10180 14761 29522 59044 73805 147610 295220