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44111940 = 22351759733
BaseRepresentation
bin1010100001000…
…1100001000100
310002000010012120
42220101201010
542243040230
64213245540
71043642145
oct250214104
9102003176
1044111940
1122999a54
12129338b0
1391a6352
145c03acc
153d15310
hex2a11844

44111940 has 96 divisors (see below), whose sum is σ = 133176960. Its totient is φ = 10868736.

The previous prime is 44111911. The next prime is 44111971. The reversal of 44111940 is 4911144.

It is a self number, because there is not a number n which added to its sum of digits gives 44111940.

It is an unprimeable number.

It is a nontrivial repunit in base 353.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59814 + ... + 60546.

It is an arithmetic number, because the mean of its divisors is an integer number (1387260).

Almost surely, 244111940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44111940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66588480).

44111940 is an abundant number, since it is smaller than the sum of its proper divisors (89065020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44111940 is a wasteful number, since it uses less digits than its factorization.

44111940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 44111940 is about 6641.6820158752. The cubic root of 44111940 is about 353.3339642408. Note that the first 3 decimals are identical.

The spelling of 44111940 in words is "forty-four million, one hundred eleven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 59 60 68 85 102 118 170 177 204 236 255 295 340 354 510 590 708 733 885 1003 1020 1180 1466 1770 2006 2199 2932 3009 3540 3665 4012 4398 5015 6018 7330 8796 10030 10995 12036 12461 14660 15045 20060 21990 24922 30090 37383 43247 43980 49844 60180 62305 74766 86494 124610 129741 149532 172988 186915 216235 249220 259482 373830 432470 518964 648705 735199 747660 864940 1297410 1470398 2205597 2594820 2940796 3675995 4411194 7351990 8822388 11027985 14703980 22055970 44111940