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44004261 = 372119931
BaseRepresentation
bin1010011111011…
…1001110100101
310001210122111110
42213313032211
542231114021
64211055233
71043013210
oct247671645
9101718443
1044004261
1122926064
12128a1519
139169332
145bb6777
153ce3476
hex29f73a5

44004261 has 16 divisors (see below), whose sum is σ = 67378688. Its totient is φ = 25023600.

The previous prime is 44004251. The next prime is 44004271. The reversal of 44004261 is 16240044.

It is an interprime number because it is at equal distance from previous prime (44004251) and next prime (44004271).

It is not a de Polignac number, because 44004261 - 25 = 44004229 is a prime.

It is a super-2 number, since 2×440042612 = 3872749972312242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 9396.

It is an arithmetic number, because the mean of its divisors is an integer number (4211168).

Almost surely, 244004261 is an apocalyptic number.

It is an amenable number.

44004261 is a deficient number, since it is larger than the sum of its proper divisors (23374427).

44004261 is a wasteful number, since it uses less digits than its factorization.

44004261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 44004261 is about 6633.5707578950. The cubic root of 44004261 is about 353.0462292362.

The spelling of 44004261 in words is "forty-four million, four thousand, two hundred sixty-one".

Divisors: 1 3 7 21 211 633 1477 4431 9931 29793 69517 208551 2095441 6286323 14668087 44004261