Search a number
-
+
55141145 = 576914341
BaseRepresentation
bin1101001001011…
…0001100011001
310211202110102122
43102112030121
5103104004040
65245511025
71236456233
oct322261431
9124673378
1055141145
11291423a4
1216572475
13b5684c7
147475253
154c931b5
hex3496319

55141145 has 8 divisors (see below), whose sum is σ = 66260040. Its totient is φ = 44052480.

The previous prime is 55141117. The next prime is 55141171. The reversal of 55141145 is 54114155.

It can be written as a sum of positive squares in 4 ways, for example, as 203401 + 54937744 = 451^2 + 7412^2 .

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

It is not a de Polignac number, because 55141145 - 216 = 55075609 is a prime.

It is a super-2 number, since 2×551411452 = 6081091743822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3326 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (8282505).

Almost surely, 255141145 is an apocalyptic number.

It is an amenable number.

55141145 is a deficient number, since it is larger than the sum of its proper divisors (11118895).

55141145 is a wasteful number, since it uses less digits than its factorization.

55141145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115.

The product of its digits is 2000, while the sum is 26.

The square root of 55141145 is about 7425.7083837167. The cubic root of 55141145 is about 380.6202819637.

The spelling of 55141145 in words is "fifty-five million, one hundred forty-one thousand, one hundred forty-five".

Divisors: 1 5 769 3845 14341 71705 11028229 55141145