Search a number
-
+
1457938048 = 2774379479
BaseRepresentation
bin101011011100110…
…0101111010000000
310202121100221000111
41112321211322000
510441213004143
6400400401104
751062161150
oct12671457200
93677327014
101457938048
11688a71486
12348316194
131a3086048
14db8b4760
1587edb99d
hex56e65e80

1457938048 has 128 divisors (see below), whose sum is σ = 3446784000. Its totient is φ = 601316352.

The previous prime is 1457938021. The next prime is 1457938061. The reversal of 1457938048 is 8408397541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1457937992 and 1457938010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043473 + ... + 3043951.

It is an arithmetic number, because the mean of its divisors is an integer number (26928000).

Almost surely, 21457938048 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 1457938048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723392000).

1457938048 is an abundant number, since it is smaller than the sum of its proper divisors (1988845952).

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

1457938048 is an equidigital number, since it uses as much as digits as its factorization.

1457938048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 1457938048 is about 38182.9549406538. The cubic root of 1457938048 is about 1133.9128840547.

The spelling of 1457938048 in words is "one billion, four hundred fifty-seven million, nine hundred thirty-eight thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 43 56 64 79 86 112 128 158 172 224 301 316 344 448 479 553 602 632 688 896 958 1106 1204 1264 1376 1916 2212 2408 2528 2752 3353 3397 3832 4424 4816 5056 5504 6706 6794 7664 8848 9632 10112 13412 13588 15328 17696 19264 20597 23779 26824 27176 30656 35392 37841 38528 41194 47558 53648 54352 61312 70784 75682 82388 95116 107296 108704 144179 151364 164776 190232 214592 217408 264887 288358 302728 329552 380464 429184 434816 529774 576716 605456 659104 760928 1059548 1153432 1210912 1318208 1521856 1627163 2119096 2306864 2421824 2636416 3043712 3254326 4238192 4613728 4843648 6508652 8476384 9227456 11390141 13017304 16952768 18454912 22780282 26034608 33905536 45560564 52069216 91121128 104138432 182242256 208276864 364484512 728969024 1457938048