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427819008 = 223317
BaseRepresentation
bin11001100000000…
…000000000000000
31002211000110100110
4121200000000000
51334010202013
6110241351320
713413254511
oct3140000000
91084013313
10427819008
111aa546831
12bb338540
136a831956
1440b66a08
152785b2c3
hex19800000

427819008 has 96 divisors (see below), whose sum is σ = 1207959480. Its totient is φ = 134217728.

The previous prime is 427819001. The next prime is 427819031. The reversal of 427819008 is 800918724.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4278190082 = 366058207212208128, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427819001) by changing a digit.

In principle, a polygon with 427819008 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25165816 + ... + 25165832.

Almost surely, 2427819008 is an apocalyptic number.

427819008 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 427819008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603979740).

427819008 is an abundant number, since it is smaller than the sum of its proper divisors (780140472).

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

427819008 is an frugal number, since it uses more digits than its factorization.

427819008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 427819008 is about 20683.7861137655. The cubic root of 427819008 is about 753.5059605611.

The spelling of 427819008 in words is "four hundred twenty-seven million, eight hundred nineteen thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 512 544 768 816 1024 1088 1536 1632 2048 2176 3072 3264 4096 4352 6144 6528 8192 8704 12288 13056 16384 17408 24576 26112 32768 34816 49152 52224 65536 69632 98304 104448 131072 139264 196608 208896 262144 278528 393216 417792 524288 557056 786432 835584 1048576 1114112 1572864 1671168 2097152 2228224 3145728 3342336 4194304 4456448 6291456 6684672 8388608 8912896 12582912 13369344 17825792 25165824 26738688 35651584 53477376 71303168 106954752 142606336 213909504 427819008