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220204086 = 2371516911
BaseRepresentation
bin11010010000000…
…00110000110110
3120100100112012220
431020000300312
5422333012321
633503423210
75312463264
oct1510006066
9510315186
10220204086
11103332653
12618b4b06
133680c59b
1421361434
15144ea9c6
hexd200c36

220204086 has 16 divisors (see below), whose sum is σ = 446611968. Its totient is φ = 72367400.

The previous prime is 220204081. The next prime is 220204087. The reversal of 220204086 is 680402022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220204081) 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, 258030 + ... + 258881.

It is an arithmetic number, because the mean of its divisors is an integer number (27913248).

Almost surely, 2220204086 is an apocalyptic number.

220204086 is an abundant number, since it is smaller than the sum of its proper divisors (226407882).

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

220204086 is a wasteful number, since it uses less digits than its factorization.

220204086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516987.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220204086 is about 14839.2751170669. The cubic root of 220204086 is about 603.8676869802.

It can be divided in two parts, 22020 and 4086, that added together give a triangular number (26106 = T228).

The spelling of 220204086 in words is "two hundred twenty million, two hundred four thousand, eighty-six".

Divisors: 1 2 3 6 71 142 213 426 516911 1033822 1550733 3101466 36700681 73401362 110102043 220204086