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45544 = 235693
BaseRepresentation
bin1011000111101000
32022110211
423013220
52424134
6550504
7246532
oct130750
968424
1045544
1131244
1222434
1317965
1412852
15d764
hexb1e8

45544 has 8 divisors (see below), whose sum is σ = 85410. Its totient is φ = 22768.

The previous prime is 45541. The next prime is 45553. The reversal of 45544 is 44554.

45544 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., 44100 + 1444 = 210^2 + 38^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (45541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839 + ... + 2854.

245544 is an apocalyptic number.

It is an amenable number.

45544 is a deficient number, since it is larger than the sum of its proper divisors (39866).

45544 is a wasteful number, since it uses less digits than its factorization.

45544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699 (or 5695 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 45544 is about 213.4104027455. The cubic root of 45544 is about 35.7116889541.

Subtracting from 45544 its reverse (44554), we obtain a triangular number (990 = T44).

The spelling of 45544 in words is "forty-five thousand, five hundred forty-four".

Divisors: 1 2 4 8 5693 11386 22772 45544