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397776896348 = 221351071497857
BaseRepresentation
bin1011100100111010101…
…10011100000101011100
31102000201202102000002112
411302131112130011130
523004121341140343
6502423003213152
740511165555156
oct5623526340534
91360652360075
10397776896348
11143772762757
12651128171b8
132b682baa9b0
1415376c2dad6
15a531666218
hex5c9d59c15c

397776896348 has 24 divisors (see below), whose sum is σ = 749803749072. Its totient is φ = 183553265664.

The previous prime is 397776896311. The next prime is 397776896359. The reversal of 397776896348 is 843698677793.

It is a super-3 number, since 3×3977768963483 (a number of 36 digits) contains 333 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, 483365 + ... + 1014492.

It is an arithmetic number, because the mean of its divisors is an integer number (31241822878).

Almost surely, 2397776896348 is an apocalyptic number.

It is an amenable number.

397776896348 is a deficient number, since it is larger than the sum of its proper divisors (352026852724).

397776896348 is a wasteful number, since it uses less digits than its factorization.

397776896348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502981 (or 1502979 counting only the distinct ones).

The product of its digits is 2304433152, while the sum is 77.

The spelling of 397776896348 in words is "three hundred ninety-seven billion, seven hundred seventy-six million, eight hundred ninety-six thousand, three hundred forty-eight".

Divisors: 1 2 4 13 26 52 5107 10214 20428 66391 132782 265564 1497857 2995714 5991428 19472141 38944282 77888564 7649555699 15299111398 30598222796 99444224087 198888448174 397776896348