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394445058 = 23710986161
BaseRepresentation
bin10111100000101…
…100000100000010
31000111012212220020
4113200230010002
51301434220213
6103050154310
712526504410
oct2740540402
91014185806
10394445058
11192721457
12b0122996
1363948057
143a55a2b0
1524967923
hex1782c102

394445058 has 32 divisors (see below), whose sum is σ = 909870720. Its totient is φ = 111663360.

The previous prime is 394445053. The next prime is 394445059. The reversal of 394445058 is 850544493.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (394445053) 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, 38503 + ... + 47658.

It is an arithmetic number, because the mean of its divisors is an integer number (28433460).

Almost surely, 2394445058 is an apocalyptic number.

394445058 is an abundant number, since it is smaller than the sum of its proper divisors (515425662).

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

394445058 is a wasteful number, since it uses less digits than its factorization.

394445058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86282.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 394445058 is about 19860.6409262138. The cubic root of 394445058 is about 733.3796243965.

The spelling of 394445058 in words is "three hundred ninety-four million, four hundred forty-five thousand, fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 109 218 327 654 763 1526 2289 4578 86161 172322 258483 516966 603127 1206254 1809381 3618762 9391549 18783098 28174647 56349294 65740843 131481686 197222529 394445058