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44220423 = 3131133857
BaseRepresentation
bin1010100010110…
…0000000000111
310002012122000110
42220230000013
542310023143
64215444103
71044603342
oct250540007
9102178013
1044220423
1122a63505
1212986633
139213840
145c31459
153d37533
hex2a2c007

44220423 has 8 divisors (see below), whose sum is σ = 63496048. Its totient is φ = 27212544.

The previous prime is 44220409. The next prime is 44220437. The reversal of 44220423 is 32402244.

It is an interprime number because it is at equal distance from previous prime (44220409) and next prime (44220437).

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

It is not a de Polignac number, because 44220423 - 221 = 42123271 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 44220423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220443) 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, 566890 + ... + 566967.

It is an arithmetic number, because the mean of its divisors is an integer number (7937006).

Almost surely, 244220423 is an apocalyptic number.

44220423 is a deficient number, since it is larger than the sum of its proper divisors (19275625).

44220423 is a wasteful number, since it uses less digits than its factorization.

44220423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133873.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 44220423 is about 6649.8438327528. The cubic root of 44220423 is about 353.6233745417.

Adding to 44220423 its reverse (32402244), we get a palindrome (76622667).

The spelling of 44220423 in words is "forty-four million, two hundred twenty thousand, four hundred twenty-three".

Divisors: 1 3 13 39 1133857 3401571 14740141 44220423