Search a number
-
+
1353394165 = 51571938933
BaseRepresentation
bin101000010101011…
…0010011111110101
310111022122112202211
41100222302133311
510232432103130
6342143533421
745352442404
oct12052623765
93438575684
101353394165
11634a57082
123192ba271
13187511266
14cba5d63b
157dc3aa2a
hex50ab27f5

1353394165 has 16 divisors (see below), whose sum is σ = 1643069808. Its totient is φ = 1070125056.

The previous prime is 1353394153. The next prime is 1353394181. The reversal of 1353394165 is 5614933531.

It can be written as a sum of positive squares in 8 ways, for example, as 246301636 + 1107092529 = 15694^2 + 33273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353394165 - 213 = 1353385973 is a prime.

It is a super-4 number, since 4×13533941654 (a number of 38 digits) contains 4444 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147039 + ... + 155971.

It is an arithmetic number, because the mean of its divisors is an integer number (102691863).

Almost surely, 21353394165 is an apocalyptic number.

It is an amenable number.

1353394165 is a deficient number, since it is larger than the sum of its proper divisors (289675643).

1353394165 is a wasteful number, since it uses less digits than its factorization.

1353394165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288.

The product of its digits is 145800, while the sum is 40.

The square root of 1353394165 is about 36788.5058815930. The cubic root of 1353394165 is about 1106.1349122616.

The spelling of 1353394165 in words is "one billion, three hundred fifty-three million, three hundred ninety-four thousand, one hundred sixty-five".

Divisors: 1 5 157 193 785 965 8933 30301 44665 151505 1402481 1724069 7012405 8620345 270678833 1353394165