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73148 = 2218287
BaseRepresentation
bin10001110110111100
310201100012
4101312330
54320043
61322352
7423155
oct216674
9121305
1073148
114aa59
12363b8
13273aa
141c92c
1516a18
hex11dbc

73148 has 6 divisors (see below), whose sum is σ = 128016. Its totient is φ = 36572.

The previous prime is 73141. The next prime is 73181. The reversal of 73148 is 84137.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73148.

It is not an unprimeable number, because it can be changed into a prime (73141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9140 + ... + 9147.

It is an arithmetic number, because the mean of its divisors is an integer number (21336).

273148 is an apocalyptic number.

It is an amenable number.

73148 is a deficient number, since it is larger than the sum of its proper divisors (54868).

73148 is a wasteful number, since it uses less digits than its factorization.

73148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291 (or 18289 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 73148 is about 270.4588693314. The cubic root of 73148 is about 41.8216168342.

The spelling of 73148 in words is "seventy-three thousand, one hundred forty-eight".

Divisors: 1 2 4 18287 36574 73148