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350227 = 1918433
BaseRepresentation
bin1010101100000010011
3122210102101
41111200103
542201402
611301231
72656033
oct1254023
9583371
10350227
1121a149
1214a817
13c3547
14918c3
156db87
hex55813

350227 has 4 divisors (see below), whose sum is σ = 368680. Its totient is φ = 331776.

The previous prime is 350219. The next prime is 350237. The reversal of 350227 is 722053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722053 = 4991447.

It is a 12-Lehmer number, since φ(350227) divides (350227-1)12.

It is a cyclic number.

It is not a de Polignac number, because 350227 - 23 = 350219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 18433 = 350227 / (3 + 5 + 0 + 2 + 2 + 7).

It is an Ulam number.

It is a Duffinian number.

350227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (350237) 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, 9198 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (92170).

2350227 is an apocalyptic number.

350227 is a deficient number, since it is larger than the sum of its proper divisors (18453).

350227 is a wasteful number, since it uses less digits than its factorization.

350227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 350227 is about 591.7997972288. The cubic root of 350227 is about 70.4882196167.

The spelling of 350227 in words is "three hundred fifty thousand, two hundred twenty-seven".

Divisors: 1 19 18433 350227