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490000572 = 223232174231
BaseRepresentation
bin11101001101001…
…101000010111100
31021011000121102100
4131031031002330
52000420004242
6120342225100
715066636045
oct3515150274
91234017370
10490000572
11231657756
12118125190
137a693889
14491118cc
152d04054c
hex1d34d0bc

490000572 has 36 divisors (see below), whose sum is σ = 1239290416. Its totient is φ = 163244160.

The previous prime is 490000493. The next prime is 490000573. The reversal of 490000572 is 275000094.

490000572 is a `hidden beast` number, since 4 + 90 + 0 + 0 + 0 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490000573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113697 + ... + 117927.

Almost surely, 2490000572 is an apocalyptic number.

It is an amenable number.

490000572 is an abundant number, since it is smaller than the sum of its proper divisors (749289844).

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

490000572 is a wasteful number, since it uses less digits than its factorization.

490000572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458 (or 7453 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 490000572 is about 22135.9565413379. The cubic root of 490000572 is about 788.3738230789.

The spelling of 490000572 in words is "four hundred ninety million, five hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 3217 4231 6434 8462 9651 12693 12868 16924 19302 25386 28953 38079 38604 50772 57906 76158 115812 152316 13611127 27222254 40833381 54444508 81666762 122500143 163333524 245000286 490000572