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385938730 = 2538593873
BaseRepresentation
bin10111000000001…
…111010100101010
3222220012201102001
4113000033110222
51242300014410
6102144001214
712364265542
oct2700172452
9886181361
10385938730
11188941531
12a930020a
1361c5a318
1439384322
1523d3733a
hex1700f52a

385938730 has 8 divisors (see below), whose sum is σ = 694689732. Its totient is φ = 154375488.

The previous prime is 385938701. The next prime is 385938767. The reversal of 385938730 is 37839583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 364008241 + 21930489 = 19079^2 + 4683^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19296927 + ... + 19296946.

Almost surely, 2385938730 is an apocalyptic number.

385938730 is a deficient number, since it is larger than the sum of its proper divisors (308751002).

385938730 is a wasteful number, since it uses less digits than its factorization.

385938730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38593880.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 385938730 is about 19645.3233620625. The cubic root of 385938730 is about 728.0694156025.

The spelling of 385938730 in words is "three hundred eighty-five million, nine hundred thirty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 38593873 77187746 192969365 385938730