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155050144 = 2513733529
BaseRepresentation
bin10010011110111…
…10000010100000
3101210202100210221
421033132002200
5304143101034
623215132424
73561622144
oct1117360240
9353670727
10155050144
117a581517
1243b14114
1326179762
1416841224
15d92abb4
hex93de0a0

155050144 has 24 divisors (see below), whose sum is σ = 305563860. Its totient is φ = 77446656.

The previous prime is 155050141. The next prime is 155050157. The reversal of 155050144 is 441050551.

It is a happy number.

155050144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153462544 + 1587600 = 12388^2 + 1260^2 .

It is not an unprimeable number, because it can be changed into a prime (155050141) 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, 42172 + ... + 45700.

Almost surely, 2155050144 is an apocalyptic number.

It is an amenable number.

155050144 is a deficient number, since it is larger than the sum of its proper divisors (150513716).

155050144 is a wasteful number, since it uses less digits than its factorization.

155050144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155050144 is about 12451.9132666430. The cubic root of 155050144 is about 537.2264556556.

The spelling of 155050144 in words is "one hundred fifty-five million, fifty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 1373 2746 3529 5492 7058 10984 14116 21968 28232 43936 56464 112928 4845317 9690634 19381268 38762536 77525072 155050144