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220133992 = 23132162821
BaseRepresentation
bin11010001111011…
…11101001101000
3120100012222001211
431013233221220
5422323241432
633502122504
75312052031
oct1507575150
9510188054
10220133992
11103294a21
1261880434
13367b6700
1421343a88
15144d4d47
hexd1efa68

220133992 has 24 divisors (see below), whose sum is σ = 446946390. Its totient is φ = 101599680.

The previous prime is 220133987. The next prime is 220134001. The reversal of 220133992 is 299331022.

It is a happy number.

220133992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 106626276 + 113507716 = 10326^2 + 10654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80059 + ... + 82762.

Almost surely, 2220133992 is an apocalyptic number.

It is an amenable number.

220133992 is an abundant number, since it is smaller than the sum of its proper divisors (226812398).

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

220133992 is a wasteful number, since it uses less digits than its factorization.

220133992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162853 (or 162836 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 220133992 is about 14836.9131560443. The cubic root of 220133992 is about 603.8036070406.

The spelling of 220133992 in words is "two hundred twenty million, one hundred thirty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 162821 325642 651284 1302568 2116673 4233346 8466692 16933384 27516749 55033498 110066996 220133992