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1490732100 = 223652112132
BaseRepresentation
bin101100011011010…
…1100010001000100
310211220002001000000
41120312230101010
511023111411400
6403531321300
751641004504
oct13066542104
93756061000
101490732100
116a5530100
123572b0230
131a9ac8a00
14101dada04
158ad18600
hex58dac444

1490732100 has 567 divisors, whose sum is σ = 5772748359. Its totient is φ = 333590400.

The previous prime is 1490732093. The next prime is 1490732101. The reversal of 1490732100 is 12370941.

The square root of 1490732100 is 38610.

It is a perfect power (a square), and thus also a powerful number.

1490732100 is a `hidden beast` number, since 1 + 490 + 73 + 2 + 100 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 384238404 + 1106493696 = 19602^2 + 33264^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1490732101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 114671694 + ... + 114671706.

Almost surely, 21490732100 is an apocalyptic number.

1490732100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490732100 is the 38610-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490732100

1490732100 is an abundant number, since it is smaller than the sum of its proper divisors (4282016259).

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

1490732100 is a wasteful number, since it uses less digits than its factorization.

1490732100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The cubic root of 1490732100 is about 1142.3517931692.

The spelling of 1490732100 in words is "one billion, four hundred ninety million, seven hundred thirty-two thousand, one hundred".