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397330473 = 32232332549
BaseRepresentation
bin10111101011101…
…100100000101001
31000200122110221110
4113223230200221
51303204033343
6103232100533
712563152611
oct2753544051
91020573843
10397330473
111943122a1
12b1094749
13644184b7
143aaaba41
1524d37833
hex17aec829

397330473 has 16 divisors (see below), whose sum is σ = 534643200. Its totient is φ = 262464384.

The previous prime is 397330471. The next prime is 397330499. The reversal of 397330473 is 374033793.

It is not a de Polignac number, because 397330473 - 21 = 397330471 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (397330471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154603 + ... + 157151.

It is an arithmetic number, because the mean of its divisors is an integer number (33415200).

Almost surely, 2397330473 is an apocalyptic number.

It is an amenable number.

397330473 is a deficient number, since it is larger than the sum of its proper divisors (137312727).

397330473 is a wasteful number, since it uses less digits than its factorization.

397330473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 142884, while the sum is 39.

The square root of 397330473 is about 19933.1501022794. The cubic root of 397330473 is about 735.1635361963.

The spelling of 397330473 in words is "three hundred ninety-seven million, three hundred thirty thousand, four hundred seventy-three".

Divisors: 1 3 223 233 669 699 2549 7647 51959 155877 568427 593917 1705281 1781751 132443491 397330473