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155468 = 2238867
BaseRepresentation
bin100101111101001100
321220021002
4211331030
514433333
63155432
71215155
oct457514
9256232
10155468
11a6895
1275b78
13559c1
144092c
15310e8
hex25f4c

155468 has 6 divisors (see below), whose sum is σ = 272076. Its totient is φ = 77732.

The previous prime is 155461. The next prime is 155473. The reversal of 155468 is 864551.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 155468.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155468.

It is not an unprimeable number, because it can be changed into a prime (155461) by changing a digit.

155468 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19430 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (45346).

155468 is a Friedman number, since it can be written as (5*(6^5-1)-8)*4, using all its digits and the basic arithmetic operations.

2155468 is an apocalyptic number.

It is an amenable number.

155468 is a deficient number, since it is larger than the sum of its proper divisors (116608).

155468 is a wasteful number, since it uses less digits than its factorization.

155468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38871 (or 38869 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 155468 is about 394.2943063246. The cubic root of 155468 is about 53.7708626422.

The spelling of 155468 in words is "one hundred fifty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 38867 77734 155468