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220374140 = 22574336607
BaseRepresentation
bin11010010001010…
…10010001111100
3120100200011111012
431020222101330
5422403433030
633511214352
75314102130
oct1510522174
9510604435
10220374140
11103439398
12619773b8
133686bacc
14213a73c0
1514531095
hexd22a47c

220374140 has 48 divisors (see below), whose sum is σ = 541212672. Its totient is φ = 73797696.

The previous prime is 220374137. The next prime is 220374181. The reversal of 220374140 is 41473022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12284 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (11275264).

Almost surely, 2220374140 is an apocalyptic number.

220374140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220374140 is an abundant number, since it is smaller than the sum of its proper divisors (320838532).

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

220374140 is a wasteful number, since it uses less digits than its factorization.

220374140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36666 (or 36664 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 220374140 is about 14845.0038733575. The cubic root of 220374140 is about 604.0230938643.

The spelling of 220374140 in words is "two hundred twenty million, three hundred seventy-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 36607 73214 146428 183035 256249 366070 512498 732140 1024996 1281245 1574101 2562490 3148202 5124980 6296404 7870505 11018707 15741010 22037414 31482020 44074828 55093535 110187070 220374140