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538087704 = 233711291173
BaseRepresentation
bin100000000100101…
…001000100011000
31101111111200120020
4200010221010120
52100222301304
6125221030440
716222445550
oct4004510430
91344450506
10538087704
11256811290
12130255420
138762c3bb
145166c160
153238d5d9
hex20129118

538087704 has 64 divisors (see below), whose sum is σ = 1677162240. Its totient is φ = 139762560.

The previous prime is 538087673. The next prime is 538087717. The reversal of 538087704 is 407780835.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143739 + ... + 147434.

It is an arithmetic number, because the mean of its divisors is an integer number (26205660).

Almost surely, 2538087704 is an apocalyptic number.

It is an amenable number.

538087704 is an abundant number, since it is smaller than the sum of its proper divisors (1139074536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538087704 is a wasteful number, since it uses less digits than its factorization.

538087704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291200 (or 291196 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 538087704 is about 23196.7175264088. The cubic root of 538087704 is about 813.3628943539.

The spelling of 538087704 in words is "five hundred thirty-eight million, eighty-seven thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 291173 582346 873519 1164692 1747038 2038211 2329384 3202903 3494076 4076422 6114633 6405806 6988152 8152844 9608709 12229266 12811612 16305688 19217418 22420321 24458532 25623224 38434836 44840642 48917064 67260963 76869672 89681284 134521926 179362568 269043852 538087704