Search a number
-
+
397352379 = 3433080251
BaseRepresentation
bin10111101011110…
…001110110111011
31000200200120222210
4113223301312323
51303210234004
6103232350203
712563303514
oct2753616673
91020616883
10397352379
111943277a6
12b10a5363
1364425468
143aab5a0b
1524d3e089
hex17af1dbb

397352379 has 8 divisors (see below), whose sum is σ = 542124352. Its totient is φ = 258741000.

The previous prime is 397352369. The next prime is 397352381. The reversal of 397352379 is 973253793.

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

It is not a de Polignac number, because 397352379 - 24 = 397352363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397352309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539997 + ... + 1540254.

It is an arithmetic number, because the mean of its divisors is an integer number (67765544).

Almost surely, 2397352379 is an apocalyptic number.

397352379 is a deficient number, since it is larger than the sum of its proper divisors (144771973).

397352379 is a wasteful number, since it uses less digits than its factorization.

397352379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080297.

The product of its digits is 1071630, while the sum is 48.

The square root of 397352379 is about 19933.6995813622. The cubic root of 397352379 is about 735.1770465255.

The spelling of 397352379 in words is "three hundred ninety-seven million, three hundred fifty-two thousand, three hundred seventy-nine".

Divisors: 1 3 43 129 3080251 9240753 132450793 397352379