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389672054 = 2194836027
BaseRepresentation
bin10111001110011…
…110110001110110
31000011020101120022
4113032132301312
51244224001204
6102400005142
712441105062
oct2716366166
91004211508
10389672054
1118aa61422
12aa6007b2
13629666a5
1439a76aa2
15243235be
hex1739ec76

389672054 has 4 divisors (see below), whose sum is σ = 584508084. Its totient is φ = 194836026.

The previous prime is 389672047. The next prime is 389672093. The reversal of 389672054 is 450276983.

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

It is a junction number, because it is equal to n+sod(n) for n = 389671996 and 389672014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97418012 + ... + 97418015.

It is an arithmetic number, because the mean of its divisors is an integer number (146127021).

Almost surely, 2389672054 is an apocalyptic number.

389672054 is a deficient number, since it is larger than the sum of its proper divisors (194836030).

389672054 is a wasteful number, since it uses less digits than its factorization.

389672054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194836029.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 389672054 is about 19740.1128162936. The cubic root of 389672054 is about 730.4095118961.

The spelling of 389672054 in words is "three hundred eighty-nine million, six hundred seventy-two thousand, fifty-four".

Divisors: 1 2 194836027 389672054