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20055050 = 252401101
BaseRepresentation
bin100110010000…
…0010000001010
31101201220100122
41030200100022
520113230200
61553503242
7332315351
oct114402012
941656318
1020055050
1110358724
126871b22
1342024c2
142940998
151b62385
hex132040a

20055050 has 12 divisors (see below), whose sum is σ = 37302486. Its totient is φ = 8022000.

The previous prime is 20055017. The next prime is 20055083. The reversal of 20055050 is 5055002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20055017) and next prime (20055083).

It can be written as a sum of positive squares in 3 ways, for example, as 9628609 + 10426441 = 3103^2 + 3229^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200501 + ... + 200600.

Almost surely, 220055050 is an apocalyptic number.

20055050 is a deficient number, since it is larger than the sum of its proper divisors (17247436).

20055050 is a wasteful number, since it uses less digits than its factorization.

20055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401113 (or 401108 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 20055050 is about 4478.2865026704. The cubic root of 20055050 is about 271.6905813232.

The spelling of 20055050 in words is "twenty million, fifty-five thousand, fifty".

Divisors: 1 2 5 10 25 50 401101 802202 2005505 4011010 10027525 20055050