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10423444 = 2214917489
BaseRepresentation
bin100111110000…
…110010010100
3201121120021111
4213300302110
510132022234
61011224404
7154412023
oct47606224
921546244
1010423444
11597a319
1235a8104
13220c525
1415548ba
hex9f0c94

10423444 has 12 divisors (see below), whose sum is σ = 18364500. Its totient is φ = 5176448.

The previous prime is 10423433. The next prime is 10423453. The reversal of 10423444 is 44432401.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 10048900 = 612^2 + 3170^2 .

It is a super-3 number, since 3×104234443 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8149 + ... + 9340.

It is an arithmetic number, because the mean of its divisors is an integer number (1530375).

Almost surely, 210423444 is an apocalyptic number.

It is an amenable number.

10423444 is a deficient number, since it is larger than the sum of its proper divisors (7941056).

10423444 is a wasteful number, since it uses less digits than its factorization.

10423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642 (or 17640 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 10423444 is about 3228.5358910813. The cubic root of 10423444 is about 218.4424702837.

Adding to 10423444 its reverse (44432401), we get a palindrome (54855845).

The spelling of 10423444 in words is "ten million, four hundred twenty-three thousand, four hundred forty-four".