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385486433 = 478201839
BaseRepresentation
bin10110111110100…
…000111001100001
3222212100201222022
4112332200321201
51242141031213
6102130151225
712360403103
oct2676407141
9885321868
10385486433
11188662732
12a9122515
1361b2c4a7
14392a7573
1523c98308
hex16fa0e61

385486433 has 4 divisors (see below), whose sum is σ = 393688320. Its totient is φ = 377284548.

The previous prime is 385486429. The next prime is 385486447. The reversal of 385486433 is 334684583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385486433 - 22 = 385486429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385486403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100873 + ... + 4100966.

It is an arithmetic number, because the mean of its divisors is an integer number (98422080).

Almost surely, 2385486433 is an apocalyptic number.

It is an amenable number.

385486433 is a deficient number, since it is larger than the sum of its proper divisors (8201887).

385486433 is an equidigital number, since it uses as much as digits as its factorization.

385486433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201886.

The product of its digits is 829440, while the sum is 44.

The square root of 385486433 is about 19633.8084181343. The cubic root of 385486433 is about 727.7848865551.

The spelling of 385486433 in words is "three hundred eighty-five million, four hundred eighty-six thousand, four hundred thirty-three".

Divisors: 1 47 8201839 385486433