Search a number
-
+
1532530145 = 56110194931
BaseRepresentation
bin101101101011000…
…1000110111100001
310221210201121010202
41123112020313201
511114311431040
6412023234545
752656201626
oct13326106741
93853647122
101532530145
11717089643
123692a8a55
131b5671a93
1410777034d
158e823015
hex5b588de1

1532530145 has 16 divisors (see below), whose sum is σ = 1871398080. Its totient is φ = 1204497600.

The previous prime is 1532530141. The next prime is 1532530147. The reversal of 1532530145 is 5410352351.

It is not a de Polignac number, because 1532530145 - 22 = 1532530141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1532530141) 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, 308330 + ... + 313260.

It is an arithmetic number, because the mean of its divisors is an integer number (116962380).

Almost surely, 21532530145 is an apocalyptic number.

It is an amenable number.

1532530145 is a deficient number, since it is larger than the sum of its proper divisors (338867935).

1532530145 is a wasteful number, since it uses less digits than its factorization.

1532530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1532530145 is about 39147.5432817948. The cubic root of 1532530145 is about 1152.9301822939.

Adding to 1532530145 its reverse (5410352351), we get a palindrome (6942882496).

The spelling of 1532530145 in words is "one billion, five hundred thirty-two million, five hundred thirty thousand, one hundred forty-five".

Divisors: 1 5 61 305 1019 4931 5095 24655 62159 300791 310795 1503955 5024689 25123445 306506029 1532530145