Search a number
-
+
397941327 = 32731375507
BaseRepresentation
bin10111101110000…
…001101001001111
31000201210111212200
4113232001221033
51303333110302
6103253132543
712601305540
oct2756015117
91021714780
10397941327
1119469a233
12b132a153
13645a0554
143abca4c7
1524e0881c
hex17b81a4f

397941327 has 48 divisors (see below), whose sum is σ = 696563712. Its totient is φ = 214073280.

The previous prime is 397941311. The next prime is 397941329. The reversal of 397941327 is 723149793.

It is not a de Polignac number, because 397941327 - 24 = 397941311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397941329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69508 + ... + 75014.

It is an arithmetic number, because the mean of its divisors is an integer number (14511744).

Almost surely, 2397941327 is an apocalyptic number.

397941327 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

397941327 is a deficient number, since it is larger than the sum of its proper divisors (298622385).

397941327 is a wasteful number, since it uses less digits than its factorization.

397941327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5585 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 397941327 is about 19948.4667831891. The cubic root of 397941327 is about 735.5400889460.

The spelling of 397941327 in words is "three hundred ninety-seven million, nine hundred forty-one thousand, three hundred twenty-seven".

Divisors: 1 3 7 9 21 31 37 63 93 111 217 259 279 333 651 777 1147 1953 2331 3441 5507 8029 10323 16521 24087 38549 49563 72261 115647 170717 203759 346941 512151 611277 1195019 1426313 1536453 1833831 3585057 4278939 6316529 10755171 12836817 18949587 44215703 56848761 132647109 397941327