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1505132413 = 9715516829
BaseRepresentation
bin101100110110110…
…0111111101111101
310212220011122111221
41121231213331331
511040303214123
6405204113341
752204262101
oct13155477575
93786148457
101505132413
11702676294
12360095851
131aca9b3c5
14103c7b901
158c21025d
hex59b67f7d

1505132413 has 4 divisors (see below), whose sum is σ = 1520649340. Its totient is φ = 1489615488.

The previous prime is 1505132381. The next prime is 1505132521. The reversal of 1505132413 is 3142315051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 900120004 + 605012409 = 30002^2 + 24597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505132413 - 25 = 1505132381 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 (1505132113) 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, 7758318 + ... + 7758511.

It is an arithmetic number, because the mean of its divisors is an integer number (380162335).

Almost surely, 21505132413 is an apocalyptic number.

It is an amenable number.

1505132413 is a deficient number, since it is larger than the sum of its proper divisors (15516927).

1505132413 is an equidigital number, since it uses as much as digits as its factorization.

1505132413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516926.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1505132413 is about 38796.0360475139. The cubic root of 1505132413 is about 1146.0183443647.

Adding to 1505132413 its reverse (3142315051), we get a palindrome (4647447464).

The spelling of 1505132413 in words is "one billion, five hundred five million, one hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 97 15516829 1505132413