Search a number
-
+
1532315141 = 7218902163
BaseRepresentation
bin101101101010101…
…0100011000000101
310221210022200012122
41123111110120011
511114233041031
6412014455325
752654315040
oct13325243005
93853280178
101532315141
11716a52055
12369204545
131b55c7c66
14107715c57
158e7ce47b
hex5b554605

1532315141 has 4 divisors (see below), whose sum is σ = 1751217312. Its totient is φ = 1313412972.

The previous prime is 1532315123. The next prime is 1532315159. The reversal of 1532315141 is 1415132351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1415132351 = 6123198891.

It is an interprime number because it is at equal distance from previous prime (1532315123) and next prime (1532315159).

It is a cyclic number.

It is not a de Polignac number, because 1532315141 - 218 = 1532052997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1532315141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532315101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109451075 + ... + 109451088.

It is an arithmetic number, because the mean of its divisors is an integer number (437804328).

Almost surely, 21532315141 is an apocalyptic number.

It is an amenable number.

1532315141 is a deficient number, since it is larger than the sum of its proper divisors (218902171).

1532315141 is an equidigital number, since it uses as much as digits as its factorization.

1532315141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218902170.

The product of its digits is 1800, while the sum is 26.

The square root of 1532315141 is about 39144.7971127709. The cubic root of 1532315141 is about 1152.8762635733.

Adding to 1532315141 its reverse (1415132351), we get a palindrome (2947447492).

The spelling of 1532315141 in words is "one billion, five hundred thirty-two million, three hundred fifteen thousand, one hundred forty-one".

Divisors: 1 7 218902163 1532315141