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458400768 = 2103721317
BaseRepresentation
bin11011010100101…
…010010000000000
31011221120011122020
4123110222100000
51414322311033
6113253041440
714234225250
oct3324522000
91157504566
10458400768
11215834311
12109626280
1373c7b677
1444c47960
152a39c6b3
hex1b52a400

458400768 has 88 divisors (see below), whose sum is σ = 1396414272. Its totient is φ = 130965504.

The previous prime is 458400749. The next prime is 458400809. The reversal of 458400768 is 867004854.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10846 + ... + 32162.

It is an arithmetic number, because the mean of its divisors is an integer number (15868344).

Almost surely, 2458400768 is an apocalyptic number.

458400768 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 458400768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698207136).

458400768 is an abundant number, since it is smaller than the sum of its proper divisors (938013504).

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

458400768 is a wasteful number, since it uses less digits than its factorization.

458400768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347 (or 21329 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 458400768 is about 21410.2958410200. The cubic root of 458400768 is about 771.0486459976.

The spelling of 458400768 in words is "four hundred fifty-eight million, four hundred thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2688 3072 3584 5376 7168 10752 21317 21504 42634 63951 85268 127902 149219 170536 255804 298438 341072 447657 511608 596876 682144 895314 1023216 1193752 1364288 1790628 2046432 2387504 2728576 3581256 4092864 4775008 5457152 7162512 8185728 9550016 10914304 14325024 16371456 19100032 21828608 28650048 32742912 38200064 57300096 65485824 76400128 114600192 152800256 229200384 458400768