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550250641 = 4093134437
BaseRepresentation
bin100000110011000…
…010100010010001
31102100101121222101
4200303002202101
52111331010031
6130333440401
716431024163
oct4063024221
91370347871
10550250641
112626694a6
12134340101
1389cca5c5
1453116933
1533492361
hex20cc2891

550250641 has 4 divisors (see below), whose sum is σ = 550389172. Its totient is φ = 550112112.

The previous prime is 550250633. The next prime is 550250663. The reversal of 550250641 is 146052055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306110016 + 244140625 = 17496^2 + 15625^2 .

It is a cyclic number.

It is not a de Polignac number, because 550250641 - 23 = 550250633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550250671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63126 + ... + 71311.

It is an arithmetic number, because the mean of its divisors is an integer number (137597293).

Almost surely, 2550250641 is an apocalyptic number.

It is an amenable number.

550250641 is a deficient number, since it is larger than the sum of its proper divisors (138531).

550250641 is a wasteful number, since it uses less digits than its factorization.

550250641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138530.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 550250641 is about 23457.4218745369. The cubic root of 550250641 is about 819.4457095802.

The spelling of 550250641 in words is "five hundred fifty million, two hundred fifty thousand, six hundred forty-one".

Divisors: 1 4093 134437 550250641