[go: up one dir, main page]

Search a number
-
+
155341245 = 3519545057
BaseRepresentation
bin10010100001001…
…01000110111101
3101211022011010110
421100211012331
5304231404440
623225300233
73564243633
oct1120450675
9354264113
10155341245
117a7601a4
1244034679
132624c0c7
14168b9353
15d987080
hex94251bd

155341245 has 16 divisors (see below), whose sum is σ = 261627840. Its totient is φ = 78488064.

The previous prime is 155341243. The next prime is 155341253. The reversal of 155341245 is 542143551.

It is not a de Polignac number, because 155341245 - 21 = 155341243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155341243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 272244 + ... + 272813.

It is an arithmetic number, because the mean of its divisors is an integer number (16351740).

Almost surely, 2155341245 is an apocalyptic number.

155341245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155341245 is a deficient number, since it is larger than the sum of its proper divisors (106286595).

155341245 is a wasteful number, since it uses less digits than its factorization.

155341245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545084.

The product of its digits is 12000, while the sum is 30.

The square root of 155341245 is about 12463.5967922586. The cubic root of 155341245 is about 537.5624531722.

Adding to 155341245 its reverse (542143551), we get a palindrome (697484796).

The spelling of 155341245 in words is "one hundred fifty-five million, three hundred forty-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 19 57 95 285 545057 1635171 2725285 8175855 10356083 31068249 51780415 155341245