Search a number
-
+
397814934 = 231159102161
BaseRepresentation
bin10111101101100…
…010110010010110
31000201120002111110
4113231202302112
51303320034214
6103250315450
712600241206
oct2755426226
91021502443
10397814934
11194613280
12b1288b86
1364557b6a
143ab96406
1524dd1159
hex17b62c96

397814934 has 32 divisors (see below), whose sum is σ = 882679680. Its totient is φ = 118505600.

The previous prime is 397814929. The next prime is 397814939. The reversal of 397814934 is 439418793.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (397814929) and next prime (397814939).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397814939) 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, 47187 + ... + 54974.

It is an arithmetic number, because the mean of its divisors is an integer number (27583740).

Almost surely, 2397814934 is an apocalyptic number.

397814934 is an abundant number, since it is smaller than the sum of its proper divisors (484864746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397814934 is a wasteful number, since it uses less digits than its factorization.

397814934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102236.

The product of its digits is 653184, while the sum is 48.

The square root of 397814934 is about 19945.2985437672. The cubic root of 397814934 is about 735.4622073116.

The spelling of 397814934 in words is "three hundred ninety-seven million, eight hundred fourteen thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 59 66 118 177 354 649 1298 1947 3894 102161 204322 306483 612966 1123771 2247542 3371313 6027499 6742626 12054998 18082497 36164994 66302489 132604978 198907467 397814934