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220375080 = 23345174001
BaseRepresentation
bin11010010001010…
…10100000101000
3120100200012210000
431020222200220
5422404000310
633511223000
75314104642
oct1510524050
9510605700
10220375080
1110343a072
1261977a60
133686c373
14213a7892
15145314c0
hexd22a828

220375080 has 160 divisors (see below), whose sum is σ = 784472040. Its totient is φ = 55296000.

The previous prime is 220375069. The next prime is 220375117. The reversal of 220375080 is 80573022.

It can be written as a sum of positive squares in 4 ways, for example, as 148498596 + 71876484 = 12186^2 + 8478^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53080 + ... + 57080.

Almost surely, 2220375080 is an apocalyptic number.

220375080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220375080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392236020).

220375080 is an abundant number, since it is smaller than the sum of its proper divisors (564096960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220375080 is a wasteful number, since it uses less digits than its factorization.

220375080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 220375080 is about 14845.0355338073. The cubic root of 220375080 is about 604.0239526779.

The spelling of 220375080 in words is "two hundred twenty million, three hundred seventy-five thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 81 85 90 102 108 120 135 136 153 162 170 180 204 216 255 270 306 324 340 360 405 408 459 510 540 612 648 680 765 810 918 1020 1080 1224 1377 1530 1620 1836 2040 2295 2754 3060 3240 3672 4001 4590 5508 6120 6885 8002 9180 11016 12003 13770 16004 18360 20005 24006 27540 32008 36009 40010 48012 55080 60015 68017 72018 80020 96024 108027 120030 136034 144036 160040 180045 204051 216054 240060 272068 288072 324081 340085 360090 408102 432108 480120 540135 544136 612153 648162 680170 720180 816204 864216 1020255 1080270 1224306 1296324 1360340 1440360 1620405 1632408 1836459 2040510 2160540 2448612 2592648 2720680 3060765 3240810 3672918 4081020 4321080 4897224 5509377 6121530 6481620 7345836 8162040 9182295 11018754 12243060 12963240 14691672 18364590 22037508 24486120 27546885 36729180 44075016 55093770 73458360 110187540 220375080