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75044 = 2273257
BaseRepresentation
bin10010010100100100
310210221102
4102110210
54400134
61335232
7431534
oct222444
9123842
1075044
1151422
1237518
1328208
141d4c4
151737e
hex12524

75044 has 12 divisors (see below), whose sum is σ = 133644. Its totient is φ = 36864.

The previous prime is 75041. The next prime is 75079. The reversal of 75044 is 44057.

It can be written as a sum of positive squares in 2 ways, for example, as 62500 + 12544 = 250^2 + 112^2 .

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75041) 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, 164 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (11137).

275044 is an apocalyptic number.

It is an amenable number.

75044 is a deficient number, since it is larger than the sum of its proper divisors (58600).

75044 is a wasteful number, since it uses less digits than its factorization.

75044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 75044 is about 273.9415996157. The cubic root of 75044 is about 42.1798785501.

The spelling of 75044 in words is "seventy-five thousand, forty-four".

Divisors: 1 2 4 73 146 257 292 514 1028 18761 37522 75044