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270057 = 390019
BaseRepresentation
bin1000001111011101001
3111201110010
41001323221
532120212
65442133
72203224
oct1017351
9451403
10270057
11174997
12110349
1395bc8
14705bb
155503c
hex41ee9

270057 has 4 divisors (see below), whose sum is σ = 360080. Its totient is φ = 180036.

The previous prime is 270037. The next prime is 270059. The reversal of 270057 is 750072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 270057 - 212 = 265961 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270057.

It is not an unprimeable number, because it can be changed into a prime (270059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45007 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (90020).

2270057 is an apocalyptic number.

It is an amenable number.

270057 is a deficient number, since it is larger than the sum of its proper divisors (90023).

270057 is an equidigital number, since it uses as much as digits as its factorization.

270057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90022.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 270057 is about 519.6700876518. The cubic root of 270057 is about 64.6375886319.

The spelling of 270057 in words is "two hundred seventy thousand, fifty-seven".

Divisors: 1 3 90019 270057