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542218006 = 211107230339
BaseRepresentation
bin100000010100011…
…001011100010110
31101210021112021101
4200110121130112
52102301434011
6125445340314
716302530341
oct4024313426
91353245241
10542218006
11259082460
1213170769a
1388447375
1452025458
15329072c1
hex20519716

542218006 has 16 divisors (see below), whose sum is σ = 895561920. Its totient is φ = 244158280.

The previous prime is 542217937. The next prime is 542218007. The reversal of 542218006 is 600812245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542218007) 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, 112816 + ... + 117523.

It is an arithmetic number, because the mean of its divisors is an integer number (55972620).

Almost surely, 2542218006 is an apocalyptic number.

542218006 is a deficient number, since it is larger than the sum of its proper divisors (353343914).

542218006 is a wasteful number, since it uses less digits than its factorization.

542218006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230459.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 542218006 is about 23285.5750626863. The cubic root of 542218006 is about 815.4386868830.

The spelling of 542218006 in words is "five hundred forty-two million, two hundred eighteen thousand, six".

Divisors: 1 2 11 22 107 214 1177 2354 230339 460678 2533729 5067458 24646273 49292546 271109003 542218006