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427597824 = 2133127137
BaseRepresentation
bin11001011111001…
…010000000000000
31002210121012221110
4121133022000000
51333431112244
6110232523320
713411343613
oct3137120000
91083535843
10427597824
111aa405635
12bb250540
136a785084
1440b0a17a
15278159b9
hex197ca000

427597824 has 112 divisors (see below), whose sum is σ = 1157557248. Its totient is φ = 140378112.

The previous prime is 427597783. The next prime is 427597829. The reversal of 427597824 is 428795724.

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

It is not an unprimeable number, because it can be changed into a prime (427597829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121084 + ... + 3121220.

Almost surely, 2427597824 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 427597824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578778624).

427597824 is an abundant number, since it is smaller than the sum of its proper divisors (729959424).

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

427597824 is a wasteful number, since it uses less digits than its factorization.

427597824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 269 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 427597824 is about 20678.4386257764. The cubic root of 427597824 is about 753.3760830588.

The spelling of 427597824 in words is "four hundred twenty-seven million, five hundred ninety-seven thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 127 128 137 192 254 256 274 381 384 411 508 512 548 762 768 822 1016 1024 1096 1524 1536 1644 2032 2048 2192 3048 3072 3288 4064 4096 4384 6096 6144 6576 8128 8192 8768 12192 12288 13152 16256 17399 17536 24384 24576 26304 32512 34798 35072 48768 52197 52608 65024 69596 70144 97536 104394 105216 130048 139192 140288 195072 208788 210432 260096 278384 280576 390144 417576 420864 520192 556768 561152 780288 835152 841728 1040384 1113536 1122304 1560576 1670304 1683456 2227072 3121152 3340608 3366912 4454144 6681216 8908288 13362432 17816576 26724864 35633152 53449728 71266304 106899456 142532608 213798912 427597824