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385927090 = 2538592709
BaseRepresentation
bin10111000000001…
…100011110110010
3222220012010102221
4113000030132302
51242244131330
6102143431254
712364216603
oct2700143662
9886163387
10385927090
1118893380a
12a92b552a
1361c54c33
143937ddaa
1523d33b7a
hex1700c7b2

385927090 has 8 divisors (see below), whose sum is σ = 694668780. Its totient is φ = 154370832.

The previous prime is 385927049. The next prime is 385927111. The reversal of 385927090 is 90729583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 384826689 + 1100401 = 19617^2 + 1049^2 .

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, 19296345 + ... + 19296364.

Almost surely, 2385927090 is an apocalyptic number.

385927090 is a deficient number, since it is larger than the sum of its proper divisors (308741690).

385927090 is a wasteful number, since it uses less digits than its factorization.

385927090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38592716.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 385927090 is about 19645.0271061152. The cubic root of 385927090 is about 728.0620959491.

The spelling of 385927090 in words is "three hundred eighty-five million, nine hundred twenty-seven thousand, ninety".

Divisors: 1 2 5 10 38592709 77185418 192963545 385927090