Search a number
-
+
481971126 = 237132961499
BaseRepresentation
bin11100101110100…
…100101110110110
31020120220200002110
4130232210232312
51441341034001
6115454151450
714641454430
oct3456445666
91216820073
10481971126
1122807304a
121154b2586
1378b11c20
1448021650
152c4a63d6
hex1cba4bb6

481971126 has 128 divisors (see below), whose sum is σ = 1249920000. Its totient is φ = 120476160.

The previous prime is 481971089. The next prime is 481971137. The reversal of 481971126 is 621179184.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 965625 + ... + 966123.

It is an arithmetic number, because the mean of its divisors is an integer number (9765000).

Almost surely, 2481971126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481971126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624960000).

481971126 is an abundant number, since it is smaller than the sum of its proper divisors (767948874).

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

481971126 is a wasteful number, since it uses less digits than its factorization.

481971126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its digits is 24192, while the sum is 39.

The square root of 481971126 is about 21953.8408029210. The cubic root of 481971126 is about 784.0438280285.

The spelling of 481971126 in words is "four hundred eighty-one million, nine hundred seventy-one thousand, one hundred twenty-six".

Divisors: 1 2 3 6 7 13 14 21 26 29 39 42 58 61 78 87 91 122 174 182 183 203 273 366 377 406 427 499 546 609 754 793 854 998 1131 1218 1281 1497 1586 1769 2262 2379 2562 2639 2994 3493 3538 4758 5278 5307 5551 6487 6986 7917 10479 10614 11102 12383 12974 14471 15834 16653 19461 20958 22997 24766 28942 30439 33306 37149 38922 43413 45409 45994 60878 68991 74298 86826 90818 91317 101297 136227 137982 160979 182634 188123 202594 213073 272454 303891 321958 376246 395707 426146 482937 564369 607782 639219 791414 882731 965874 1128738 1187121 1278438 1316861 1765462 2374242 2633722 2648193 2769949 3950583 5296386 5539898 6179117 7901166 8309847 11475503 12358234 16619694 18537351 22951006 34426509 37074702 68853018 80328521 160657042 240985563 481971126