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4138437472 = 251323597331
BaseRepresentation
bin1111011010101011…
…1000101101100000
3101200102012101221221
43312222320231200
531433414444342
61522353024424
7204361065241
oct36652705540
911612171857
104138437472
111834049364
12975b55114
1350c502790
142b38accc8
151934bda67
hexf6ab8b60

4138437472 has 96 divisors (see below), whose sum is σ = 9312226560. Its totient is φ = 1795791360.

The previous prime is 4138437389. The next prime is 4138437491. The reversal of 4138437472 is 2747348314.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 560847 + ... + 568177.

It is an arithmetic number, because the mean of its divisors is an integer number (97002360).

Almost surely, 24138437472 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 4138437472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4656113280).

4138437472 is an abundant number, since it is smaller than the sum of its proper divisors (5173789088).

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

4138437472 is a wasteful number, since it uses less digits than its factorization.

4138437472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436 (or 7428 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 4138437472 is about 64330.6884154056. The cubic root of 4138437472 is about 1605.5067381537.

The spelling of 4138437472 in words is "four billion, one hundred thirty-eight million, four hundred thirty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 16 23 26 32 46 52 59 92 104 118 184 208 236 299 368 416 472 598 736 767 944 1196 1357 1534 1888 2392 2714 3068 4784 5428 6136 7331 9568 10856 12272 14662 17641 21712 24544 29324 35282 43424 58648 70564 95303 117296 141128 168613 190606 234592 282256 337226 381212 432529 564512 674452 762424 865058 1348904 1524848 1730116 2191969 2697808 3049696 3460232 4383938 5395616 5622877 6920464 8767876 9948167 11245754 13840928 17535752 19896334 22491508 35071504 39792668 44983016 70143008 79585336 89966032 129326171 159170672 179932064 258652342 318341344 517304684 1034609368 2069218736 4138437472