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50000551 = 232313049
BaseRepresentation
bin1011111010111…
…1001010100111
310111002021212021
42332233022213
5100300004201
64543404011
71144666126
oct276571247
9114067767
1050000551
1126251177
12148b3607
13a488733
1468d7abd
1545c9ea1
hex2faf2a7

50000551 has 12 divisors (see below), whose sum is σ = 53972800. Its totient is φ = 46268640.

The previous prime is 50000539. The next prime is 50000557. The reversal of 50000551 is 15500005.

It is not a de Polignac number, because 50000551 - 219 = 49476263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14875 + ... + 17923.

Almost surely, 250000551 is an apocalyptic number.

50000551 is a deficient number, since it is larger than the sum of its proper divisors (3972249).

50000551 is a wasteful number, since it uses less digits than its factorization.

50000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3103 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 50000551 is about 7071.1067733418. The cubic root of 50000551 is about 368.4045031266.

Adding to 50000551 its reverse (15500005), we get a palindrome (65500556).

The spelling of 50000551 in words is "fifty million, five hundred fifty-one", and thus it is an aban number.

Divisors: 1 23 31 529 713 3049 16399 70127 94519 1612921 2173937 50000551