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445363968 = 2837372239
BaseRepresentation
bin11010100010111…
…011011100000000
31011001000211111210
4122202323130000
51403003121333
6112105410120
714015350140
oct3242733400
91131024453
10445363968
1120943a5a5
12105199940
137136579a
1443212920
1529174a63
hex1a8bb700

445363968 has 144 divisors (see below), whose sum is σ = 1391882240. Its totient is φ = 123752448.

The previous prime is 445363951. The next prime is 445363969. The reversal of 445363968 is 869363544.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445363969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197793 + ... + 200031.

Almost surely, 2445363968 is an apocalyptic number.

445363968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445363968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695941120).

445363968 is an abundant number, since it is smaller than the sum of its proper divisors (946518272).

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

445363968 is a wasteful number, since it uses less digits than its factorization.

445363968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 2288 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The square root of 445363968 is about 21103.6482154153. The cubic root of 445363968 is about 763.6687616846.

The spelling of 445363968 in words is "four hundred forty-five million, three hundred sixty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 64 74 84 96 111 112 128 148 168 192 222 224 256 259 296 336 384 444 448 518 592 672 768 777 888 896 1036 1184 1344 1554 1776 1792 2072 2239 2368 2688 3108 3552 4144 4478 4736 5376 6216 6717 7104 8288 8956 9472 12432 13434 14208 15673 16576 17912 24864 26868 28416 31346 33152 35824 47019 49728 53736 62692 66304 71648 82843 94038 99456 107472 125384 143296 165686 188076 198912 214944 248529 250768 286592 331372 376152 429888 497058 501536 573184 579901 662744 752304 859776 994116 1003072 1159802 1325488 1504608 1719552 1739703 1988232 2006144 2319604 2650976 3009216 3479406 3976464 4012288 4639208 5301952 6018432 6958812 7952928 9278416 10603904 12036864 13917624 15905856 18556832 21207808 27835248 31811712 37113664 55670496 63623424 74227328 111340992 148454656 222681984 445363968