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672895872 = 27321153101
BaseRepresentation
bin101000000110111…
…001001110000000
31201220011122121100
4220012321032000
52334230131442
6150434254400
722450343355
oct5006711600
91656148540
10672895872
113159176a0
12169427400
13a953c54c
146552062c
153e11b84c
hex281b9380

672895872 has 96 divisors (see below), whose sum is σ = 2112397560. Its totient is φ = 203904000.

The previous prime is 672895841. The next prime is 672895891. The reversal of 672895872 is 278598276.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13879 + ... + 39222.

Almost surely, 2672895872 is an apocalyptic number.

It is an amenable number.

672895872 is an abundant number, since it is smaller than the sum of its proper divisors (1439501688).

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

672895872 is a wasteful number, since it uses less digits than its factorization.

672895872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53132 (or 53117 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 672895872 is about 25940.2365447966. The cubic root of 672895872 is about 876.2928901142.

The spelling of 672895872 in words is "six hundred seventy-two million, eight hundred ninety-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 264 288 352 384 396 528 576 704 792 1056 1152 1408 1584 2112 3168 4224 6336 12672 53101 106202 159303 212404 318606 424808 477909 584111 637212 849616 955818 1168222 1274424 1699232 1752333 1911636 2336444 2548848 3398464 3504666 3823272 4672888 5097696 5256999 6796928 7009332 7646544 9345776 10195392 10513998 14018664 15293088 18691552 20390784 21027996 28037328 30586176 37383104 42055992 56074656 61172352 74766208 84111984 112149312 168223968 224298624 336447936 672895872