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54438923 = 711706999
BaseRepresentation
bin1100111110101…
…0110000001011
310210102210011102
43033222300023
5102414021143
65222452015
71230503030
oct317526013
9123383142
1054438923
1128802850
121629400b
13b3809a6
147331387
154ba50b8
hex33eac0b

54438923 has 8 divisors (see below), whose sum is σ = 67872000. Its totient is φ = 42419880.

The previous prime is 54438919. The next prime is 54438949. The reversal of 54438923 is 32983445.

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 54438923 - 22 = 54438919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54438323) 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, 353423 + ... + 353576.

It is an arithmetic number, because the mean of its divisors is an integer number (8484000).

Almost surely, 254438923 is an apocalyptic number.

54438923 is a deficient number, since it is larger than the sum of its proper divisors (13433077).

54438923 is a wasteful number, since it uses less digits than its factorization.

54438923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707017.

The product of its digits is 103680, while the sum is 38.

The square root of 54438923 is about 7378.2737140879. The cubic root of 54438923 is about 378.9976422555.

The spelling of 54438923 in words is "fifty-four million, four hundred thirty-eight thousand, nine hundred twenty-three".

Divisors: 1 7 11 77 706999 4948993 7776989 54438923