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44440427 = 472294129
BaseRepresentation
bin1010100110000…
…1101101101011
310002121210210202
42221201231223
542334043202
64224302415
71046510633
oct251415553
9102553722
1044440427
11230a3829
1212a71a0b
13928ca15
145c8b6c3
153d7c802
hex2a61b6b

44440427 has 8 divisors (see below), whose sum is σ = 45595200. Its totient is φ = 43294464.

The previous prime is 44440379. The next prime is 44440469. The reversal of 44440427 is 72404444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44440427 - 28 = 44440171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44440427.

It is not an unprimeable number, because it can be changed into a prime (44440327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (5699400).

Almost surely, 244440427 is an apocalyptic number.

44440427 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

44440427 is a deficient number, since it is larger than the sum of its proper divisors (1154773).

44440427 is a wasteful number, since it uses less digits than its factorization.

44440427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405.

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 44440427 is about 6666.3653515240. The cubic root of 44440427 is about 354.2088498099.

It can be divided in two parts, 44440 and 427, that multiplied together give a triangular number (18975880 = T6160).

The spelling of 44440427 in words is "forty-four million, four hundred forty thousand, four hundred twenty-seven".

Divisors: 1 47 229 4129 10763 194063 945541 44440427