Search a number
-
+
1352445369 = 31140983193
BaseRepresentation
bin101000010011100…
…1010110110111001
310111020212100021020
41100213022312321
510232211222434
6342111333053
745341411262
oct12047126671
93436770236
101352445369
11634469250
12318b21189
1318726b442
14cb893969
157daee849
hex509cadb9

1352445369 has 8 divisors (see below), whose sum is σ = 1967193312. Its totient is φ = 819663840.

The previous prime is 1352445307. The next prime is 1352445371. The reversal of 1352445369 is 9635442531.

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

It is not a de Polignac number, because 1352445369 - 29 = 1352444857 is a prime.

It is a super-2 number, since 2×13524453692 = 3658216952259092322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352445369.

It is not an unprimeable number, because it can be changed into a prime (1352445169) 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, 20491564 + ... + 20491629.

It is an arithmetic number, because the mean of its divisors is an integer number (245899164).

Almost surely, 21352445369 is an apocalyptic number.

It is an amenable number.

1352445369 is a deficient number, since it is larger than the sum of its proper divisors (614747943).

1352445369 is a wasteful number, since it uses less digits than its factorization.

1352445369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40983207.

The product of its digits is 388800, while the sum is 42.

The square root of 1352445369 is about 36775.6083430308. The cubic root of 1352445369 is about 1105.8763668079.

The spelling of 1352445369 in words is "one billion, three hundred fifty-two million, four hundred forty-five thousand, three hundred sixty-nine".

Divisors: 1 3 11 33 40983193 122949579 450815123 1352445369