Search a number
-
+
1530566149 = 7496744021
BaseRepresentation
bin101101100111010…
…1001011000000101
310221200000211001011
41123032221120011
511113311104044
6411513202221
752633411660
oct13316513005
93850024034
101530566149
11715a68002
12368700371
131b5134b58
141073bc6d7
158e586134
hex5b3a9605

1530566149 has 8 divisors (see below), whose sum is σ = 1749610368. Its totient is φ = 1311619920.

The previous prime is 1530566137. The next prime is 1530566159. The reversal of 1530566149 is 9416650351.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1530566149 - 27 = 1530566021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530566159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12759 + ... + 56779.

It is an arithmetic number, because the mean of its divisors is an integer number (218701296).

Almost surely, 21530566149 is an apocalyptic number.

It is an amenable number.

1530566149 is a deficient number, since it is larger than the sum of its proper divisors (219044219).

1530566149 is an equidigital number, since it uses as much as digits as its factorization.

1530566149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48995.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1530566149 is about 39122.4507028893. The cubic root of 1530566149 is about 1152.4374637120.

The spelling of 1530566149 in words is "one billion, five hundred thirty million, five hundred sixty-six thousand, one hundred forty-nine".

Divisors: 1 7 4967 34769 44021 308147 218652307 1530566149