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1352531401 = 13104040877
BaseRepresentation
bin101000010011101…
…1111110111001001
310111021000201021121
41100213133313021
510232222001101
6342113235241
745342220144
oct12047376711
93437021247
101352531401
11634517951
12318b62b21
1318729b650
14cb8b705b
157db1a0a1
hex509dfdc9

1352531401 has 4 divisors (see below), whose sum is σ = 1456572292. Its totient is φ = 1248490512.

The previous prime is 1352531393. The next prime is 1352531413. The reversal of 1352531401 is 1041352531.

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 596336400 + 756195001 = 24420^2 + 27499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352531401 - 23 = 1352531393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352531801) 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, 52020426 + ... + 52020451.

It is an arithmetic number, because the mean of its divisors is an integer number (364143073).

Almost surely, 21352531401 is an apocalyptic number.

It is an amenable number.

1352531401 is a deficient number, since it is larger than the sum of its proper divisors (104040891).

1352531401 is a wasteful number, since it uses less digits than its factorization.

1352531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104040890.

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

The square root of 1352531401 is about 36776.7780127623. The cubic root of 1352531401 is about 1105.8998153800.

Adding to 1352531401 its reverse (1041352531), we get a palindrome (2393883932).

The spelling of 1352531401 in words is "one billion, three hundred fifty-two million, five hundred thirty-one thousand, four hundred one".

Divisors: 1 13 104040877 1352531401