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1490530 = 25149053
BaseRepresentation
bin101101011111001100010
32210201121211
411223321202
5340144110
651540334
715445366
oct5537142
92721554
101490530
11928948
125ba6aa
13402592
142ab2a6
151e698a
hex16be62

1490530 has 8 divisors (see below), whose sum is σ = 2682972. Its totient is φ = 596208.

The previous prime is 1490527. The next prime is 1490557. The reversal of 1490530 is 350941.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 100489 = 1179^2 + 317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74517 + ... + 74536.

21490530 is an apocalyptic number.

1490530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490530 is a deficient number, since it is larger than the sum of its proper divisors (1192442).

1490530 is a wasteful number, since it uses less digits than its factorization.

1490530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149060.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1490530 is about 1220.8726387302. The cubic root of 1490530 is about 114.2300167588.

The spelling of 1490530 in words is "one million, four hundred ninety thousand, five hundred thirty".

Divisors: 1 2 5 10 149053 298106 745265 1490530