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385975390 = 2538597539
BaseRepresentation
bin10111000000011…
…000010001011110
3222220021120200211
4113000120101132
51242302203030
6102144443034
712364510453
oct2700302136
9886246624
10385975390
11188967029
12a931947a
1361c70c08
143939382a
1523d4312a
hex1701845e

385975390 has 8 divisors (see below), whose sum is σ = 694755720. Its totient is φ = 154390152.

The previous prime is 385975363. The next prime is 385975423. The reversal of 385975390 is 93579583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19298760 + ... + 19298779.

It is an arithmetic number, because the mean of its divisors is an integer number (86844465).

Almost surely, 2385975390 is an apocalyptic number.

385975390 is a deficient number, since it is larger than the sum of its proper divisors (308780330).

385975390 is a wasteful number, since it uses less digits than its factorization.

385975390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38597546.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 385975390 is about 19646.2563863959. The cubic root of 385975390 is about 728.0924677760.

The spelling of 385975390 in words is "three hundred eighty-five million, nine hundred seventy-five thousand, three hundred ninety".

Divisors: 1 2 5 10 38597539 77195078 192987695 385975390