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397199290592 = 25134745744453
BaseRepresentation
bin1011100011110101110…
…11000011000011100000
31101222020111112120221202
411301322323003003200
523001431004244332
6502245411140332
740460653156316
oct5617273030340
91358214476852
10397199290592
111434a670aa25
1264b912a46a8
132b5c0323240
14153202360b6
15a4eaabda62
hex5c7aec30e0

397199290592 has 96 divisors (see below), whose sum is σ = 861958081152. Its totient is φ = 179025629184.

The previous prime is 397199290591. The next prime is 397199290613. The reversal of 397199290592 is 295092991793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397199290591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8913038 + ... + 8957490.

It is an arithmetic number, because the mean of its divisors is an integer number (8978730012).

Almost surely, 2397199290592 is an apocalyptic number.

397199290592 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397199290592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430979040576).

397199290592 is an abundant number, since it is smaller than the sum of its proper divisors (464758790560).

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

397199290592 is a wasteful number, since it uses less digits than its factorization.

397199290592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44980 (or 44972 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 65.

The spelling of 397199290592 in words is "three hundred ninety-seven billion, one hundred ninety-nine million, two hundred ninety thousand, five hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 47 52 94 104 188 208 376 416 457 611 752 914 1222 1504 1828 2444 3656 4888 5941 7312 9776 11882 14624 19552 21479 23764 42958 44453 47528 85916 88906 95056 171832 177812 190112 279227 343664 355624 558454 577889 687328 711248 1116908 1155778 1422496 2089291 2233816 2311556 4178582 4467632 4623112 8357164 8935264 9246224 16714328 18492448 20315021 27160783 33428656 40630042 54321566 66857312 81260084 108643132 162520168 217286264 264095273 325040336 434572528 528190546 650080672 869145056 954805987 1056381092 1909611974 2112762184 3819223948 4225524368 7638447896 8451048736 12412477831 15276895792 24824955662 30553791584 49649911324 99299822648 198599645296 397199290592