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672799479 = 311315971157
BaseRepresentation
bin101000000110100…
…001101011110111
31201212222202101020
4220012201223313
52334214040404
6150432232223
722446462342
oct5006415367
91655882336
10672799479
11315861230
1216939b673
13a9507701
14654d7459
153e0eced9
hex281a1af7

672799479 has 64 divisors (see below), whose sum is σ = 1048412160. Its totient is φ = 380016000.

The previous prime is 672799441. The next prime is 672799487. The reversal of 672799479 is 974997276.

It is a happy number.

672799479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672799479 - 28 = 672799223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672791479) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4285269 + ... + 4285425.

It is an arithmetic number, because the mean of its divisors is an integer number (16381440).

Almost surely, 2672799479 is an apocalyptic number.

672799479 is a deficient number, since it is larger than the sum of its proper divisors (375612681).

672799479 is a wasteful number, since it uses less digits than its factorization.

672799479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 12002256, while the sum is 60.

The square root of 672799479 is about 25938.3784959662. The cubic root of 672799479 is about 876.2510448413.

The spelling of 672799479 in words is "six hundred seventy-two million, seven hundred ninety-nine thousand, four hundred seventy-nine".

Divisors: 1 3 11 31 33 59 71 93 157 177 213 341 471 649 781 1023 1727 1829 1947 2201 2343 4189 4867 5181 5487 6603 9263 11147 12567 14601 20119 24211 27789 33441 46079 53537 60357 72633 101893 122617 129859 138237 160611 287153 305679 345557 367851 389577 657673 861459 1036671 1428449 1973019 3158683 3801127 4285347 7234403 9476049 11403381 20387863 21703209 61163589 224266493 672799479