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74444444 = 2237503003
BaseRepresentation
bin1000110111111…
…10111010011100
312012002011120122
410123332322130
5123024210234
611215334112
71562524124
oct433767234
9165064518
1074444444
1139027238
1220b21338
1312566789
149c5bc84
15680792e
hex46fee9c

74444444 has 12 divisors (see below), whose sum is σ = 133799064. Its totient is φ = 36216144.

The previous prime is 74444441. The next prime is 74444449. The reversal of 74444444 is 44444447.

74444444 = 30472 + 30482 + ... + 30542.

74444444 is a modest number, since divided by 44444 gives 744 as remainder.

It is a plaindrome in base 13.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251354 + ... + 251649.

It is an arithmetic number, because the mean of its divisors is an integer number (11149922).

Almost surely, 274444444 is an apocalyptic number.

74444444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

74444444 is a deficient number, since it is larger than the sum of its proper divisors (59354620).

74444444 is a wasteful number, since it uses less digits than its factorization.

74444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503044 (or 503042 counting only the distinct ones).

The product of its digits is 114688, while the sum is 35.

The square root of 74444444 is about 8628.1193779409. The cubic root of 74444444 is about 420.6724752362.

The spelling of 74444444 in words is "seventy-four million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 37 74 148 503003 1006006 2012012 18611111 37222222 74444444