Search a number
-
+
220275801 = 3331892957
BaseRepresentation
bin11010010000100…
…10010001011001
3120100111011121000
431020102101121
5422342311201
633505135213
75313212334
oct1510222131
9510434530
10220275801
11103381519
126192a509
1336836115
142137d61b
1514511d86
hexd212459

220275801 has 32 divisors (see below), whose sum is σ = 340761600. Its totient is φ = 140469120.

The previous prime is 220275703. The next prime is 220275823. The reversal of 220275801 is 108572022.

It is not a de Polignac number, because 220275801 - 27 = 220275673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220275841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73015 + ... + 75971.

It is an arithmetic number, because the mean of its divisors is an integer number (10648800).

Almost surely, 2220275801 is an apocalyptic number.

It is an amenable number.

220275801 is a deficient number, since it is larger than the sum of its proper divisors (120485799).

220275801 is a wasteful number, since it uses less digits than its factorization.

220275801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 220275801 is about 14841.6913119765. The cubic root of 220275801 is about 603.9332347660.

The spelling of 220275801 in words is "two hundred twenty million, two hundred seventy-five thousand, eight hundred one".

Divisors: 1 3 9 27 31 89 93 267 279 801 837 2403 2759 2957 8277 8871 24831 26613 74493 79839 91667 263173 275001 789519 825003 2368557 2475009 7105671 8158363 24475089 73425267 220275801