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439074993 = 37291993623
BaseRepresentation
bin11010001010111…
…100000010110001
31010121012022122210
4122022330002301
51344400344433
6111322522333
713611035010
oct3212740261
91117168583
10439074993
112059345a5
121030663a9
136cc730b6
1442456a77
1528831463
hex1a2bc0b1

439074993 has 32 divisors (see below), whose sum is σ = 695808000. Its totient is φ = 240964416.

The previous prime is 439074989. The next prime is 439075033. The reversal of 439074993 is 399470934.

It is not a de Polignac number, because 439074993 - 22 = 439074989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439074913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119380 + ... + 123002.

It is an arithmetic number, because the mean of its divisors is an integer number (21744000).

Almost surely, 2439074993 is an apocalyptic number.

It is an amenable number.

439074993 is a deficient number, since it is larger than the sum of its proper divisors (256733007).

439074993 is a wasteful number, since it uses less digits than its factorization.

439074993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 439074993 is about 20954.1163736389. The cubic root of 439074993 is about 760.0571246305.

The spelling of 439074993 in words is "four hundred thirty-nine million, seventy-four thousand, nine hundred ninety-three".

Divisors: 1 3 7 21 29 87 199 203 597 609 1393 3623 4179 5771 10869 17313 25361 40397 76083 105067 121191 315201 720977 735469 2162931 2206407 5046839 15140517 20908333 62724999 146358331 439074993