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389054398 = 2194527199
BaseRepresentation
bin10111001100000…
…111111110111110
31000010002000022011
4113030013332332
51244044220043
6102334441434
712432623245
oct2714077676
91003060264
10389054398
1118a67a367
12aa36327a
13627ab505
143995595c
152425059d
hex17307fbe

389054398 has 4 divisors (see below), whose sum is σ = 583581600. Its totient is φ = 194527198.

The previous prime is 389054387. The next prime is 389054399. The reversal of 389054398 is 893450983.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389054399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97263598 + ... + 97263601.

It is an arithmetic number, because the mean of its divisors is an integer number (145895400).

Almost surely, 2389054398 is an apocalyptic number.

389054398 is a deficient number, since it is larger than the sum of its proper divisors (194527202).

389054398 is a wasteful number, since it uses less digits than its factorization.

389054398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194527201.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 389054398 is about 19724.4619191500. The cubic root of 389054398 is about 730.0233920070.

The spelling of 389054398 in words is "three hundred eighty-nine million, fifty-four thousand, three hundred ninety-eight".

Divisors: 1 2 194527199 389054398