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397941324 = 2231110329269
BaseRepresentation
bin10111101110000…
…001101001001100
31000201210111212120
4113232001221030
51303333110244
6103253132540
712601305534
oct2756015114
91021714776
10397941324
1119469a230
12b132a150
13645a0551
143abca4c4
1524e08819
hex17b81a4c

397941324 has 48 divisors (see below), whose sum is σ = 1022810880. Its totient is φ = 119413440.

The previous prime is 397941311. The next prime is 397941329. The reversal of 397941324 is 423149793.

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 15 ways as a sum of consecutive naturals, for example, 1039 + ... + 28230.

It is an arithmetic number, because the mean of its divisors is an integer number (21308560).

Almost surely, 2397941324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397941324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511405440).

397941324 is an abundant number, since it is smaller than the sum of its proper divisors (624869556).

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

397941324 is a wasteful number, since it uses less digits than its factorization.

397941324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29390 (or 29388 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 397941324 is about 19948.4667079954. The cubic root of 397941324 is about 735.5400870977.

The spelling of 397941324 in words is "three hundred ninety-seven million, nine hundred forty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 412 618 1133 1236 2266 3399 4532 6798 13596 29269 58538 87807 117076 175614 321959 351228 643918 965877 1287836 1931754 3014707 3863508 6029414 9044121 12058828 18088242 33161777 36176484 66323554 99485331 132647108 198970662 397941324