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397730058 = 23116026213
BaseRepresentation
bin10111101101001…
…110000100001010
31000201101210001220
4113231032010022
51303304330213
6103244422510
712566435565
oct2755160412
91021353056
10397730058
11194565530
12b1247a36
136452833b
143ab734dc
1524db5e23
hex17b4e10a

397730058 has 16 divisors (see below), whose sum is σ = 867774816. Its totient is φ = 120524240.

The previous prime is 397730051. The next prime is 397730063. The reversal of 397730058 is 850037793.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (397730051) 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, 3013041 + ... + 3013172.

It is an arithmetic number, because the mean of its divisors is an integer number (54235926).

Almost surely, 2397730058 is an apocalyptic number.

397730058 is an abundant number, since it is smaller than the sum of its proper divisors (470044758).

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

397730058 is a wasteful number, since it uses less digits than its factorization.

397730058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026229.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 397730058 is about 19943.1707107972. The cubic root of 397730058 is about 735.4098986249.

The spelling of 397730058 in words is "three hundred ninety-seven million, seven hundred thirty thousand, fifty-eight".

Divisors: 1 2 3 6 11 22 33 66 6026213 12052426 18078639 36157278 66288343 132576686 198865029 397730058