Search a number
-
+
220228419 = 3571128563
BaseRepresentation
bin11010010000001…
…10101101000011
3120100101202121010
431020012231003
5422334302134
633504132003
75312624235
oct1510065503
9510352533
10220228419
11103349964
1261907003
133681a698
142136a255
1514502ce9
hexd206b43

220228419 has 8 divisors (see below), whose sum is σ = 294154432. Its totient is φ = 146560680.

The previous prime is 220228399. The next prime is 220228429. The reversal of 220228419 is 914822022.

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

It is not a de Polignac number, because 220228419 - 211 = 220226371 is a prime.

It is a super-2 number, since 2×2202284192 = 97001113070479122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220228429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62569 + ... + 65994.

It is an arithmetic number, because the mean of its divisors is an integer number (36769304).

Almost surely, 2220228419 is an apocalyptic number.

220228419 is a deficient number, since it is larger than the sum of its proper divisors (73926013).

220228419 is a wasteful number, since it uses less digits than its factorization.

220228419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129137.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 220228419 is about 14840.0949794804. The cubic root of 220228419 is about 603.8899290307.

The spelling of 220228419 in words is "two hundred twenty million, two hundred twenty-eight thousand, four hundred nineteen".

Divisors: 1 3 571 1713 128563 385689 73409473 220228419