Search a number
-
+
7490489328 = 2432731239711
BaseRepresentation
bin1101111100111011…
…11100101111110000
3201100000200021122200
412332131330233300
5110320031124303
63235135103200
7353423052210
oct67635745760
921300607580
107490489328
1131a4205553
121550671b00
13924b0b10a
14510b58240
152dc9043a3
hex1be77cbf0

7490489328 has 120 divisors (see below), whose sum is σ = 24730607616. Its totient is φ = 2071094400.

The previous prime is 7490489299. The next prime is 7490489333. The reversal of 7490489328 is 8239840947.

7490489328 is a `hidden beast` number, since 7 + 490 + 48 + 93 + 28 = 666.

It is a super-2 number, since 2×74904893282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88608 + ... + 151103.

Almost surely, 27490489328 is an apocalyptic number.

It is an amenable number.

7490489328 is an abundant number, since it is smaller than the sum of its proper divisors (17240118288).

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

7490489328 is a wasteful number, since it uses less digits than its factorization.

7490489328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239763 (or 239754 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 7490489328 is about 86547.6130693389. The cubic root of 7490489328 is about 1956.6060701083.

The spelling of 7490489328 in words is "seven billion, four hundred ninety million, four hundred eighty-nine thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 42 48 56 62 63 72 84 93 112 124 126 144 168 186 217 248 252 279 336 372 434 496 504 558 651 744 868 1008 1116 1302 1488 1736 1953 2232 2604 3472 3906 4464 5208 7812 10416 15624 31248 239711 479422 719133 958844 1438266 1677977 1917688 2157399 2876532 3355954 3835376 4314798 5033931 5753064 6711908 7431041 8629596 10067862 11506128 13423816 14862082 15101793 17259192 20135724 22293123 26847632 29724164 30203586 34518384 40271448 44586246 52017287 59448328 60407172 66879369 80542896 89172492 104034574 118896656 120814344 133758738 156051861 178344984 208069148 241628688 267517476 312103722 356689968 416138296 468155583 535034952 624207444 832276592 936311166 1070069904 1248414888 1872622332 2496829776 3745244664 7490489328