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44143461 = 342712011
BaseRepresentation
bin1010100001100…
…1001101100101
310002001201110000
42220121031211
542300042321
64214051513
71044133065
oct250311545
9102051400
1044143461
1122a106aa
1212949b99
1391b77bb
145c113a5
153d1e826
hex2a19365

44143461 has 20 divisors (see below), whose sum is σ = 66218944. Its totient is φ = 29305800.

The previous prime is 44143433. The next prime is 44143471. The reversal of 44143461 is 16434144.

It is not a de Polignac number, because 44143461 - 29 = 44142949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44143471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20946 + ... + 22956.

Almost surely, 244143461 is an apocalyptic number.

It is an amenable number.

44143461 is a deficient number, since it is larger than the sum of its proper divisors (22075483).

44143461 is a wasteful number, since it uses less digits than its factorization.

44143461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2285 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44143461 is about 6644.0545602817. The cubic root of 44143461 is about 353.4181046354.

It can be divided in two parts, 4414 and 3461, that added together give a triangular number (7875 = T125).

The spelling of 44143461 in words is "forty-four million, one hundred forty-three thousand, four hundred sixty-one".

Divisors: 1 3 9 27 81 271 813 2011 2439 6033 7317 18099 21951 54297 162891 544981 1634943 4904829 14714487 44143461