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44145293 = 83531871
BaseRepresentation
bin1010100001100…
…1101010001101
310002001210221212
42220121222031
542300122133
64214104205
71044141323
oct250315215
9102053855
1044145293
1122a12015
121294b065
1391b859a
145c11d13
153d20148
hex2a19a8d

44145293 has 4 divisors (see below), whose sum is σ = 44677248. Its totient is φ = 43613340.

The previous prime is 44145287. The next prime is 44145301. The reversal of 44145293 is 39254144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44145293 - 26 = 44145229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145203) 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, 265853 + ... + 266018.

It is an arithmetic number, because the mean of its divisors is an integer number (11169312).

Almost surely, 244145293 is an apocalyptic number.

It is an amenable number.

44145293 is a deficient number, since it is larger than the sum of its proper divisors (531955).

44145293 is an equidigital number, since it uses as much as digits as its factorization.

44145293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531954.

The product of its digits is 17280, while the sum is 32.

The square root of 44145293 is about 6644.1924264729. The cubic root of 44145293 is about 353.4229936420.

The spelling of 44145293 in words is "forty-four million, one hundred forty-five thousand, two hundred ninety-three".

Divisors: 1 83 531871 44145293