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513055442 = 21922216079
BaseRepresentation
bin11110100101001…
…001101011010010
31022202101220202102
4132211021223102
52022320233232
6122524320402
715466620314
oct3645115322
91282356672
10513055442
11243674169
121239a3102
13823a6603
144c1d37b4
1530096662
hex1e949ad2

513055442 has 16 divisors (see below), whose sum is σ = 810585600. Its totient is φ = 242876880.

The previous prime is 513055441. The next prime is 513055447. The reversal of 513055442 is 244550315.

It is not an unprimeable number, because it can be changed into a prime (513055441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81359 + ... + 87437.

It is an arithmetic number, because the mean of its divisors is an integer number (50661600).

Almost surely, 2513055442 is an apocalyptic number.

513055442 is a deficient number, since it is larger than the sum of its proper divisors (297530158).

513055442 is a wasteful number, since it uses less digits than its factorization.

513055442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 513055442 is about 22650.7271847948. The cubic root of 513055442 is about 800.5493320815.

The spelling of 513055442 in words is "five hundred thirteen million, fifty-five thousand, four hundred forty-two".

Divisors: 1 2 19 38 2221 4442 6079 12158 42199 84398 115501 231002 13501459 27002918 256527721 513055442