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538283418 = 231673891381
BaseRepresentation
bin100000000101011…
…000110110011010
31101111212122000220
4200011120312122
52100300032133
6125225140510
716224222261
oct4005306632
91344778026
10538283418
11256935332
1213032a736
138769a4ca
14516bd5d8
15323cb5b3
hex20158d9a

538283418 has 32 divisors (see below), whose sum is σ = 1086583680. Its totient is φ = 177766080.

The previous prime is 538283371. The next prime is 538283419. The reversal of 538283418 is 814382835.

It is a self number, because there is not a number n which added to its sum of digits gives 538283418.

It is not an unprimeable number, because it can be changed into a prime (538283419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389088 + ... + 390468.

It is an arithmetic number, because the mean of its divisors is an integer number (33955740).

Almost surely, 2538283418 is an apocalyptic number.

538283418 is an abundant number, since it is smaller than the sum of its proper divisors (548300262).

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

538283418 is a wasteful number, since it uses less digits than its factorization.

538283418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its digits is 184320, while the sum is 42.

The square root of 538283418 is about 23200.9357138888. The cubic root of 538283418 is about 813.4614948908.

The spelling of 538283418 in words is "five hundred thirty-eight million, two hundred eighty-three thousand, four hundred eighteen".

Divisors: 1 2 3 6 167 334 389 501 778 1002 1167 1381 2334 2762 4143 8286 64963 129926 194889 230627 389778 461254 537209 691881 1074418 1383762 1611627 3223254 89713903 179427806 269141709 538283418