Search a number
-
+
55342269 = 3219378747
BaseRepresentation
bin1101001100011…
…1010010111101
310212010200022200
43103013102331
5103131423034
65254102113
71241254503
oct323072275
9125120280
1055342269
112926a514
121664a939
13b608c08
1474c8673
154cd2a99
hex34c74bd

55342269 has 24 divisors (see below), whose sum is σ = 86430240. Its totient is φ = 34004448.

The previous prime is 55342267. The next prime is 55342271. The reversal of 55342269 is 96224355.

55342269 is a `hidden beast` number, since 55 + 342 + 269 = 666.

It is an interprime number because it is at equal distance from previous prime (55342267) and next prime (55342271).

It is not a de Polignac number, because 55342269 - 21 = 55342267 is a prime.

It is a super-2 number, since 2×553422692 = 6125533476136722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55342267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (3601260).

Almost surely, 255342269 is an apocalyptic number.

It is an amenable number.

55342269 is a deficient number, since it is larger than the sum of its proper divisors (31087971).

55342269 is a wasteful number, since it uses less digits than its factorization.

55342269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809 (or 8806 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55342269 is about 7439.2384690908. The cubic root of 55342269 is about 381.0824836400.

It can be divided in two parts, 55342 and 269, that added together give a triangular number (55611 = T333).

The spelling of 55342269 in words is "fifty-five million, three hundred forty-two thousand, two hundred sixty-nine".

Divisors: 1 3 9 19 37 57 111 171 333 703 2109 6327 8747 26241 78723 166193 323639 498579 970917 1495737 2912751 6149141 18447423 55342269