Search a number
-
+
453408768 = 21132171447
BaseRepresentation
bin11011000001100…
…111100000000000
31011121011112220100
4123001213200000
51412033040033
6112554042400
714143624311
oct3301474000
91147145810
10453408768
11212a3479a
12107a19400
1372c21417
1444308608
1529c13513
hex1b067800

453408768 has 144 divisors (see below), whose sum is σ = 1387517040. Its totient is φ = 142147584.

The previous prime is 453408737. The next prime is 453408773. The reversal of 453408768 is 867804354.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312621 + ... + 314067.

It is an arithmetic number, because the mean of its divisors is an integer number (9635535).

Almost surely, 2453408768 is an apocalyptic number.

453408768 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 453408768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693758520).

453408768 is an abundant number, since it is smaller than the sum of its proper divisors (934108272).

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

453408768 is a wasteful number, since it uses less digits than its factorization.

453408768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 453408768 is about 21293.3972864830. The cubic root of 453408768 is about 768.2395086324.

The spelling of 453408768 in words is "four hundred fifty-three million, four hundred eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 256 272 288 306 384 408 512 544 576 612 768 816 1024 1088 1152 1224 1447 1536 1632 2048 2176 2304 2448 2894 3072 3264 4341 4352 4608 4896 5788 6144 6528 8682 8704 9216 9792 11576 13023 13056 17364 17408 18432 19584 23152 24599 26046 26112 34728 34816 39168 46304 49198 52092 52224 69456 73797 78336 92608 98396 104184 104448 138912 147594 156672 185216 196792 208368 221391 277824 295188 313344 370432 393584 416736 442782 555648 590376 740864 787168 833472 885564 1111296 1180752 1481728 1574336 1666944 1771128 2222592 2361504 2963456 3148672 3333888 3542256 4445184 4723008 6297344 6667776 7084512 8890368 9446016 12594688 13335552 14169024 18892032 25189376 26671104 28338048 37784064 50378752 56676096 75568128 113352192 151136256 226704384 453408768