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397424103 = 3433080807
BaseRepresentation
bin10111101100000…
…011010111100111
31000200211020101020
4113230003113213
51303220032403
6103234102223
712564022566
oct2754032747
91020736336
10397424103
1119437667a
12b111a973
136444bcbb
143aad3bdd
1524d55453
hex17b035e7

397424103 has 8 divisors (see below), whose sum is σ = 542222208. Its totient is φ = 258787704.

The previous prime is 397424063. The next prime is 397424117. The reversal of 397424103 is 301424793.

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

It is not a de Polignac number, because 397424103 - 28 = 397423847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397424143) 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 7 ways as a sum of consecutive naturals, for example, 1540275 + ... + 1540532.

It is an arithmetic number, because the mean of its divisors is an integer number (67777776).

Almost surely, 2397424103 is an apocalyptic number.

397424103 is a deficient number, since it is larger than the sum of its proper divisors (144798105).

397424103 is a wasteful number, since it uses less digits than its factorization.

397424103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080853.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 397424103 is about 19935.4985641192. The cubic root of 397424103 is about 735.2212781856.

Adding to 397424103 its reverse (301424793), we get a palindrome (698848896).

The spelling of 397424103 in words is "three hundred ninety-seven million, four hundred twenty-four thousand, one hundred three".

Divisors: 1 3 43 129 3080807 9242421 132474701 397424103