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385678983 = 3177562333
BaseRepresentation
bin10110111111001…
…111111010000111
3222212201112002210
4112333033322013
51242213211413
6102134234503
712362134344
oct2677177207
9885645083
10385678983
11188784368
12a91b5a33
1361b99021
14393177cb
1523cd53c3
hex16fcfe87

385678983 has 8 divisors (see below), whose sum is σ = 544488048. Its totient is φ = 241994624.

The previous prime is 385678957. The next prime is 385678999. The reversal of 385678983 is 389876583.

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

It is a cyclic number.

It is not a de Polignac number, because 385678983 - 216 = 385613447 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385671983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3781116 + ... + 3781217.

It is an arithmetic number, because the mean of its divisors is an integer number (68061006).

Almost surely, 2385678983 is an apocalyptic number.

385678983 is a deficient number, since it is larger than the sum of its proper divisors (158809065).

385678983 is a wasteful number, since it uses less digits than its factorization.

385678983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562353.

The product of its digits is 8709120, while the sum is 57.

The square root of 385678983 is about 19638.7113375598. The cubic root of 385678983 is about 727.9060422707.

The spelling of 385678983 in words is "three hundred eighty-five million, six hundred seventy-eight thousand, nine hundred eighty-three".

Divisors: 1 3 17 51 7562333 22686999 128559661 385678983