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155104232 = 23149130121
BaseRepresentation
bin10010011111010…
…11001111101000
3101210212010000012
421033223033220
5304201313412
623220231052
73562235633
oct1117531750
9353763005
10155104232
117a609118
1243b3b488
132619826a
1416856c1a
15d93bc22
hex93eb3e8

155104232 has 16 divisors (see below), whose sum is σ = 292774500. Its totient is φ = 77031040.

The previous prime is 155104231. The next prime is 155104237. The reversal of 155104232 is 232401551.

It can be written as a sum of positive squares in 2 ways, for example, as 155102116 + 2116 = 12454^2 + 46^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155104198 and 155104207.

It is not an unprimeable number, because it can be changed into a prime (155104231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63869 + ... + 66252.

Almost surely, 2155104232 is an apocalyptic number.

It is an amenable number.

155104232 is a deficient number, since it is larger than the sum of its proper divisors (137670268).

155104232 is a wasteful number, since it uses less digits than its factorization.

155104232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130276 (or 130272 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155104232 is about 12454.0849523359. The cubic root of 155104232 is about 537.2889174408.

Adding to 155104232 its reverse (232401551), we get a palindrome (387505783).

The spelling of 155104232 in words is "one hundred fifty-five million, one hundred four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 149 298 596 1192 130121 260242 520484 1040968 19388029 38776058 77552116 155104232