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9920133 = 321102237
BaseRepresentation
bin100101110101…
…111010000101
3200122222212100
4211311322011
510014421013
6552342313
7150214446
oct45657205
920588770
109920133
115666163
1233a4999
132094402
1414632cd
15d0e473
hex975e85

9920133 has 6 divisors (see below), whose sum is σ = 14329094. Its totient is φ = 6613416.

The previous prime is 9920123. The next prime is 9920137. The reversal of 9920133 is 3310299.

It can be written as a sum of positive squares in only one way, i.e., 8661249 + 1258884 = 2943^2 + 1122^2 .

It is not a de Polignac number, because 9920133 - 214 = 9903749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9920097 and 9920106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920137) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 551110 + ... + 551127.

Almost surely, 29920133 is an apocalyptic number.

It is an amenable number.

9920133 is a deficient number, since it is larger than the sum of its proper divisors (4408961).

9920133 is a wasteful number, since it uses less digits than its factorization.

9920133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102243 (or 1102240 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9920133 is about 3149.6242633051. The cubic root of 9920133 is about 214.8683744545.

It can be divided in two parts, 992013 and 3, that added together give a square (992016 = 9962).

The spelling of 9920133 in words is "nine million, nine hundred twenty thousand, one hundred thirty-three".

Divisors: 1 3 9 1102237 3306711 9920133