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379895646 = 231323367577
BaseRepresentation
bin10110101001001…
…011111101011110
3222110211200212010
4112221023331132
51234223130041
6101410252050
712262026324
oct2651137536
9873750763
10379895646
11185494249
12a7287026
1360922830
143864dd14
1523541a16
hex16a4bf5e

379895646 has 64 divisors (see below), whose sum is σ = 857622528. Its totient is φ = 111310848.

The previous prime is 379895641. The next prime is 379895647. The reversal of 379895646 is 646598973.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379895641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658110 + ... + 658686.

It is an arithmetic number, because the mean of its divisors is an integer number (13400352).

Almost surely, 2379895646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 379895646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428811264).

379895646 is an abundant number, since it is smaller than the sum of its proper divisors (477726882).

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

379895646 is a wasteful number, since it uses less digits than its factorization.

379895646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 9797760, while the sum is 57.

The square root of 379895646 is about 19490.9118822081. The cubic root of 379895646 is about 724.2493354365.

The spelling of 379895646 in words is "three hundred seventy-nine million, eight hundred ninety-five thousand, six hundred forty-six".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 367 577 598 734 897 1101 1154 1731 1794 2202 3462 4771 7501 8441 9542 13271 14313 15002 16882 22503 25323 26542 28626 39813 45006 50646 79626 109733 172523 211759 219466 329199 345046 423518 517569 635277 658398 1035138 1270554 2752867 4870457 5505734 8258601 9740914 14611371 16517202 29222742 63315941 126631882 189947823 379895646