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397861094 = 2267774311
BaseRepresentation
bin10111101101101…
…110000011100110
31000201122102211002
4113231232003212
51303323023334
6103251313302
712600522611
oct2755560346
91021572732
10397861094
11194644a24
12b12ab832
1364572b87
143aba9178
1524ddeb7e
hex17b6e0e6

397861094 has 8 divisors (see below), whose sum is σ = 597022608. Its totient is φ = 198853560.

The previous prime is 397861091. The next prime is 397861103. The reversal of 397861094 is 490168793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397861091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31802 + ... + 42509.

It is an arithmetic number, because the mean of its divisors is an integer number (74627826).

Almost surely, 2397861094 is an apocalyptic number.

397861094 is a deficient number, since it is larger than the sum of its proper divisors (199161514).

397861094 is a wasteful number, since it uses less digits than its factorization.

397861094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76990.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 397861094 is about 19946.4556751319. The cubic root of 397861094 is about 735.4906523829.

The spelling of 397861094 in words is "three hundred ninety-seven million, eight hundred sixty-one thousand, ninety-four".

Divisors: 1 2 2677 5354 74311 148622 198930547 397861094