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513404054 = 21919796827
BaseRepresentation
bin11110100110011…
…110110010010110
31022210001121221222
4132212132302112
52022412412204
6122540010342
715502601552
oct3646366226
91283047858
10513404054
11243892079
12123b309b2
13824991a7
144c284862
1530114abe
hex1e99ec96

513404054 has 16 divisors (see below), whose sum is σ = 811166400. Its totient is φ = 243032904.

The previous prime is 513404039. The next prime is 513404069. The reversal of 513404054 is 450404315.

It is an interprime number because it is at equal distance from previous prime (513404039) and next prime (513404069).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71789 + ... + 78615.

It is an arithmetic number, because the mean of its divisors is an integer number (50697900).

Almost surely, 2513404054 is an apocalyptic number.

513404054 is a deficient number, since it is larger than the sum of its proper divisors (297762346).

513404054 is a wasteful number, since it uses less digits than its factorization.

513404054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 513404054 is about 22658.4212600967. The cubic root of 513404054 is about 800.7306106819.

Adding to 513404054 its reverse (450404315), we get a palindrome (963808369).

The spelling of 513404054 in words is "five hundred thirteen million, four hundred four thousand, fifty-four".

Divisors: 1 2 19 38 1979 3958 6827 13654 37601 75202 129713 259426 13510633 27021266 256702027 513404054