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385787330 = 2538578733
BaseRepresentation
bin10110111111101…
…010010111000010
3222212221000201122
4112333222113002
51242230143310
6102140432242
712363065255
oct2677522702
9885830648
10385787330
11188848805
12a9248682
1361c06436
143934509c
1523d07555
hex16fea5c2

385787330 has 8 divisors (see below), whose sum is σ = 694417212. Its totient is φ = 154314928.

The previous prime is 385787317. The next prime is 385787351. The reversal of 385787330 is 33787583.

It can be written as a sum of positive squares in 2 ways, for example, as 385611769 + 175561 = 19637^2 + 419^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19289357 + ... + 19289376.

Almost surely, 2385787330 is an apocalyptic number.

385787330 is a deficient number, since it is larger than the sum of its proper divisors (308629882).

385787330 is a wasteful number, since it uses less digits than its factorization.

385787330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38578740.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 385787330 is about 19641.4696496978. The cubic root of 385787330 is about 727.9741983067.

The spelling of 385787330 in words is "three hundred eighty-five million, seven hundred eighty-seven thousand, three hundred thirty".

Divisors: 1 2 5 10 38578733 77157466 192893665 385787330