Search a number
-
+
1354048805 = 5270809761
BaseRepresentation
bin101000010110101…
…0010010100100101
310111100212210202202
41100231102110211
510233114030210
6342205544245
745361140104
oct12055222445
93440783682
101354048805
116353639aa
12319575085
131876b0215
14cbb9003b
157dd199a5
hex50b52525

1354048805 has 4 divisors (see below), whose sum is σ = 1624858572. Its totient is φ = 1083239040.

The previous prime is 1354048789. The next prime is 1354048837. The reversal of 1354048805 is 5088404531.

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 201242596 + 1152806209 = 14186^2 + 33953^2 .

It is not a de Polignac number, because 1354048805 - 24 = 1354048789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135404876 + ... + 135404885.

It is an arithmetic number, because the mean of its divisors is an integer number (406214643).

Almost surely, 21354048805 is an apocalyptic number.

It is an amenable number.

1354048805 is a deficient number, since it is larger than the sum of its proper divisors (270809767).

1354048805 is an equidigital number, since it uses as much as digits as its factorization.

1354048805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270809766.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 1354048805 is about 36797.4021501519. The cubic root of 1354048805 is about 1106.3132302161.

The spelling of 1354048805 in words is "one billion, three hundred fifty-four million, forty-eight thousand, eight hundred five".

Divisors: 1 5 270809761 1354048805