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641325172 = 2211313110831
BaseRepresentation
bin100110001110011…
…101100001110100
31122200202200202011
4212032131201310
52303134401142
6143345454004
721615113455
oct4616354164
91580680664
10641325172
112aa014104
1215a941304
13a2b37667
146126312c
153b482417
hex2639d874

641325172 has 24 divisors (see below), whose sum is σ = 1140999552. Its totient is φ = 315369600.

The previous prime is 641325161. The next prime is 641325203. The reversal of 641325172 is 271523146.

641325172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6413251722 = 822595952481659168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53797 + ... + 64627.

It is an arithmetic number, because the mean of its divisors is an integer number (47541648).

Almost surely, 2641325172 is an apocalyptic number.

It is an amenable number.

641325172 is a deficient number, since it is larger than the sum of its proper divisors (499674380).

641325172 is a wasteful number, since it uses less digits than its factorization.

641325172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079 (or 11077 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 641325172 is about 25324.3987490325. The cubic root of 641325172 is about 862.3682569065.

The spelling of 641325172 in words is "six hundred forty-one million, three hundred twenty-five thousand, one hundred seventy-two".

Divisors: 1 2 4 113 131 226 262 452 524 10831 14803 21662 29606 43324 59212 1223903 1418861 2447806 2837722 4895612 5675444 160331293 320662586 641325172