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155048 = 2319381
BaseRepresentation
bin100101110110101000
321212200112
4211312220
514430143
63153452
71214015
oct456650
9255615
10155048
11a6543
1275888
135575a
144070c
1530e18
hex25da8

155048 has 8 divisors (see below), whose sum is σ = 290730. Its totient is φ = 77520.

The previous prime is 155047. The next prime is 155069. The reversal of 155048 is 840551.

155048 is digitally balanced in base 2, 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 only one way, i.e., 114244 + 40804 = 338^2 + 202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (155047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9683 + ... + 9698.

2155048 is an apocalyptic number.

It is an amenable number.

155048 is a deficient number, since it is larger than the sum of its proper divisors (135682).

155048 is a wasteful number, since it uses less digits than its factorization.

155048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387 (or 19383 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 155048 is about 393.7613490428. The cubic root of 155048 is about 53.7223979427.

Adding to 155048 its reverse (840551), we get a palindrome (995599).

The spelling of 155048 in words is "one hundred fifty-five thousand, forty-eight".

Divisors: 1 2 4 8 19381 38762 77524 155048