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385545093 = 3197019649
BaseRepresentation
bin10110111110101…
…111001110000101
3222212110201102220
4112332233032011
51242144420333
6102131322553
712361036113
oct2676571605
9885421386
10385545093
111886a280a
12a9150459
1361b500bb
14392c0ab3
1523caa8b3
hex16faf385

385545093 has 16 divisors (see below), whose sum is σ = 541944000. Its totient is φ = 243129600.

The previous prime is 385545079. The next prime is 385545101. The reversal of 385545093 is 390545583.

It is not a de Polignac number, because 385545093 - 220 = 384496517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385545073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35133 + ... + 44781.

It is an arithmetic number, because the mean of its divisors is an integer number (33871500).

Almost surely, 2385545093 is an apocalyptic number.

It is an amenable number.

385545093 is a deficient number, since it is larger than the sum of its proper divisors (156398907).

385545093 is a wasteful number, since it uses less digits than its factorization.

385545093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10372.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 385545093 is about 19635.3022131059. The cubic root of 385545093 is about 727.8218006913.

The spelling of 385545093 in words is "three hundred eighty-five million, five hundred forty-five thousand, ninety-three".

Divisors: 1 3 19 57 701 2103 9649 13319 28947 39957 183331 549993 6763949 20291847 128515031 385545093