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270730 = 2527073
BaseRepresentation
bin1000010000110001010
3111202101001
41002012022
532130410
65445214
72205205
oct1020612
9452331
10270730
11175449
1211080a
13962c5
147093c
155533a
hex4218a

270730 has 8 divisors (see below), whose sum is σ = 487332. Its totient is φ = 108288.

The previous prime is 270719. The next prime is 270737. The reversal of 270730 is 37072.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 1369 = 519^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 270698 and 270707.

It is not an unprimeable number, because it can be changed into a prime (270737) by changing a digit.

270730 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, 13527 + ... + 13546.

2270730 is an apocalyptic number.

270730 is a deficient number, since it is larger than the sum of its proper divisors (216602).

270730 is a wasteful number, since it uses less digits than its factorization.

270730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27080.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 270730 is about 520.3172109396. The cubic root of 270730 is about 64.6912378137.

It can be divided in two parts, 270 and 730, that added together give a cube (1000 = 103).

The spelling of 270730 in words is "two hundred seventy thousand, seven hundred thirty".

Divisors: 1 2 5 10 27073 54146 135365 270730