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538029458 = 21971365557
BaseRepresentation
bin100000000100011…
…010110110010010
31101111101201122222
4200010122312102
52100213420313
6125215501042
716222114001
oct4004326622
91344351588
10538029458
1125678154a
12130227782
138760ba35
1451654c38
153237b208
hex2011ad92

538029458 has 8 divisors (see below), whose sum is σ = 811141452. Its totient is φ = 267648976.

The previous prime is 538029433. The next prime is 538029467. The reversal of 538029458 is 854920835.

It can be written as a sum of positive squares in 2 ways, for example, as 504586369 + 33443089 = 22463^2 + 5783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682385 + ... + 683172.

Almost surely, 2538029458 is an apocalyptic number.

538029458 is a deficient number, since it is larger than the sum of its proper divisors (273111994).

538029458 is a wasteful number, since it uses less digits than its factorization.

538029458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365756.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 538029458 is about 23195.4620130749. The cubic root of 538029458 is about 813.3335454552. Note that the first 3 decimals are identical.

The spelling of 538029458 in words is "five hundred thirty-eight million, twenty-nine thousand, four hundred fifty-eight".

Divisors: 1 2 197 394 1365557 2731114 269014729 538029458