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385972004 = 221119461689
BaseRepresentation
bin10111000000010…
…111011100100100
3222220021102001102
4113000113130210
51242302101004
6102144415232
712364464545
oct2700273444
9886242042
10385972004
11188964530
12a9317518
1361c6c502
14393924cc
1523d4211e
hex17017724

385972004 has 24 divisors (see below), whose sum is σ = 775639200. Its totient is φ = 166207680.

The previous prime is 385971997. The next prime is 385972007. The reversal of 385972004 is 400279583.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (385972007) 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 7 ways as a sum of consecutive naturals, for example, 230009 + ... + 231680.

It is an arithmetic number, because the mean of its divisors is an integer number (32318300).

Almost surely, 2385972004 is an apocalyptic number.

It is an amenable number.

385972004 is an abundant number, since it is smaller than the sum of its proper divisors (389667196).

385972004 is a wasteful number, since it uses less digits than its factorization.

385972004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461723 (or 461721 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 385972004 is about 19646.1702120286. The cubic root of 385972004 is about 728.0903386866.

The spelling of 385972004 in words is "three hundred eighty-five million, nine hundred seventy-two thousand, four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 461689 923378 1846756 5078579 8772091 10157158 17544182 20314316 35088364 96493001 192986002 385972004