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385709883 = 3132760769
BaseRepresentation
bin10110111111010…
…111011100111011
3222212210002111020
4112333113130323
51242220204013
6102135033523
712362323416
oct2677273473
9885702436
10385709883
111887a55a9
12a920b8a3
1361baa100
1439324b7d
1523cde623
hex16fd773b

385709883 has 12 divisors (see below), whose sum is σ = 556883640. Its totient is φ = 237359616.

The previous prime is 385709879. The next prime is 385709887. The reversal of 385709883 is 388907583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (385709879) and next prime (385709887).

It is not a de Polignac number, because 385709883 - 22 = 385709879 is a prime.

It is a super-2 number, since 2×3857098832 = 297544227687747378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385709887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379878 + ... + 380891.

It is an arithmetic number, because the mean of its divisors is an integer number (46406970).

Almost surely, 2385709883 is an apocalyptic number.

385709883 is a deficient number, since it is larger than the sum of its proper divisors (171173757).

385709883 is a wasteful number, since it uses less digits than its factorization.

385709883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760798 (or 760785 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 385709883 is about 19639.4980333001. The cubic root of 385709883 is about 727.9254813180.

The spelling of 385709883 in words is "three hundred eighty-five million, seven hundred nine thousand, eight hundred eighty-three".

Divisors: 1 3 13 39 169 507 760769 2282307 9889997 29669991 128569961 385709883