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220029208 = 23723791481
BaseRepresentation
bin11010001110101…
…10000100011000
3120100000122022221
431013112010120
5422311413313
633455553424
75311134400
oct1507260430
9510018287
10220029208
11103223223
126182b874
133677aac9
1421317800
15144b3c8d
hexd1d6118

220029208 has 48 divisors (see below), whose sum is σ = 481501800. Its totient is φ = 93985920.

The previous prime is 220029203. The next prime is 220029217. The reversal of 220029208 is 802920022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220029203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147828 + ... + 149308.

Almost surely, 2220029208 is an apocalyptic number.

220029208 is a gapful number since it is divisible by the number (28) 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 220029208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240750900).

220029208 is an abundant number, since it is smaller than the sum of its proper divisors (261472592).

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

220029208 is a wasteful number, since it uses less digits than its factorization.

220029208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 220029208 is about 14833.3815429928. The cubic root of 220029208 is about 603.7077881291.

The spelling of 220029208 in words is "two hundred twenty million, twenty-nine thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 379 392 758 1481 1516 2653 2962 3032 5306 5924 10367 10612 11848 18571 20734 21224 37142 41468 72569 74284 82936 145138 148568 290276 561299 580552 1122598 2245196 3929093 4490392 7858186 15716372 27503651 31432744 55007302 110014604 220029208