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806919432 = 2331129105397
BaseRepresentation
bin110000000110001…
…001110100001000
32002020100202100220
4300012021310020
53123032410212
6212023030040
725665462534
oct6006116410
92066322326
10806919432
11384537570
121a629b320
13cb236527
147924abc4
154ac9238c
hex30189d08

806919432 has 64 divisors (see below), whose sum is σ = 2276596800. Its totient is φ = 236087040.

The previous prime is 806919409. The next prime is 806919437. The reversal of 806919432 is 234919608.

It is a super-2 number, since 2×8069194322 = 1302237939478405248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806919437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45043 + ... + 60354.

It is an arithmetic number, because the mean of its divisors is an integer number (35571825).

Almost surely, 2806919432 is an apocalyptic number.

It is an amenable number.

806919432 is an abundant number, since it is smaller than the sum of its proper divisors (1469677368).

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

806919432 is a wasteful number, since it uses less digits than its factorization.

806919432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105446 (or 105442 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 806919432 is about 28406.3273233271. The cubic root of 806919432 is about 930.9865170415.

The spelling of 806919432 in words is "eight hundred six million, nine hundred nineteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 132 174 232 264 319 348 638 696 957 1276 1914 2552 3828 7656 105397 210794 316191 421588 632382 843176 1159367 1264764 2318734 2529528 3056513 3478101 4637468 6113026 6956202 9169539 9274936 12226052 13912404 18339078 24452104 27824808 33621643 36678156 67243286 73356312 100864929 134486572 201729858 268973144 403459716 806919432