[go: up one dir, main page]

Search a number
-
+
8913456 = 243347439
BaseRepresentation
bin100010000000…
…001000110000
3121202211222000
4202000020300
54240212311
6515014000
7135522516
oct42001060
917684860
108913456
1150388a2
122b9a300
131b01146
1412804b6
15bb1056
hex880230

8913456 has 80 divisors (see below), whose sum is σ = 26188800. Its totient is φ = 2901312.

The previous prime is 8913433. The next prime is 8913473. The reversal of 8913456 is 6543198.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8913456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20085 + ... + 20523.

It is an arithmetic number, because the mean of its divisors is an integer number (327360).

Almost surely, 28913456 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 8913456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13094400).

8913456 is an abundant number, since it is smaller than the sum of its proper divisors (17275344).

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

8913456 is a wasteful number, since it uses less digits than its factorization.

8913456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 491 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 8913456 is about 2985.5411569764. The cubic root of 8913456 is about 207.3394975014.

The spelling of 8913456 in words is "eight million, nine hundred thirteen thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 47 48 54 72 94 108 141 144 188 216 282 376 423 432 439 564 752 846 878 1128 1269 1317 1692 1756 2256 2538 2634 3384 3512 3951 5076 5268 6768 7024 7902 10152 10536 11853 15804 20304 20633 21072 23706 31608 41266 47412 61899 63216 82532 94824 123798 165064 185697 189648 247596 330128 371394 495192 557091 742788 990384 1114182 1485576 2228364 2971152 4456728 8913456