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155045033 = 111310710133
BaseRepresentation
bin10010011110111…
…00110010101001
3101210202002210122
421033130302221
5304142420113
623215053025
73561601223
oct1117346251
9353662718
10155045033
117a5786a0
1243b11175
1326177330
141683d413
15d929408
hex93dcca9

155045033 has 16 divisors (see below), whose sum is σ = 183871296. Its totient is φ = 128879040.

The previous prime is 155045021. The next prime is 155045041. The reversal of 155045033 is 330540551.

It is a cyclic number.

It is not a de Polignac number, because 155045033 - 26 = 155044969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155044993 and 155045011.

It is not an unprimeable number, because it can be changed into a prime (155045003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10235 + ... + 20367.

It is an arithmetic number, because the mean of its divisors is an integer number (11491956).

Almost surely, 2155045033 is an apocalyptic number.

155045033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155045033 is a deficient number, since it is larger than the sum of its proper divisors (28826263).

155045033 is a wasteful number, since it uses less digits than its factorization.

155045033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 155045033 is about 12451.7080354464. The cubic root of 155045033 is about 537.2205526307.

Adding to 155045033 its reverse (330540551), we get a palindrome (485585584).

The spelling of 155045033 in words is "one hundred fifty-five million, forty-five thousand, thirty-three".

Divisors: 1 11 13 107 143 1177 1391 10133 15301 111463 131729 1084231 1449019 11926541 14095003 155045033