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155306041 = 1121283521
BaseRepresentation
bin10010100000111…
…00100000111001
3101211020100211121
421100130200321
5304224243131
623224425241
73564036202
oct1120344071
9354210747
10155306041
117a736800
1244018221
1326239087
14168aa5a9
15d97b911
hex941c839

155306041 has 6 divisors (see below), whose sum is σ = 170708426. Its totient is φ = 141187200.

The previous prime is 155306029. The next prime is 155306083. The reversal of 155306041 is 140603551.

It can be written as a sum of positive squares in only one way, i.e., 111746041 + 43560000 = 10571^2 + 6600^2 .

It is not a de Polignac number, because 155306041 - 221 = 153208889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155305997 and 155306015.

It is not an unprimeable number, because it can be changed into a prime (155106041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641640 + ... + 641881.

Almost surely, 2155306041 is an apocalyptic number.

155306041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155306041 is a deficient number, since it is larger than the sum of its proper divisors (15402385).

155306041 is a wasteful number, since it uses less digits than its factorization.

155306041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283543 (or 1283532 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155306041 is about 12462.1844393349. The cubic root of 155306041 is about 537.5218419824.

Adding to 155306041 its reverse (140603551), we get a palindrome (295909592).

The spelling of 155306041 in words is "one hundred fifty-five million, three hundred six thousand, forty-one".

Divisors: 1 11 121 1283521 14118731 155306041