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54738793 = 173219929
BaseRepresentation
bin1101000011001…
…1111101101001
310211000000111201
43100303331221
5103003120133
65233124201
71233162214
oct320637551
9124000451
1054738793
112899807a
12163b9661
13b457325
1473ac77b
154c13d7d
hex3433f69

54738793 has 4 divisors (see below), whose sum is σ = 57958740. Its totient is φ = 51518848.

The previous prime is 54738787. The next prime is 54738797. The reversal of 54738793 is 39783745.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47513449 + 7225344 = 6893^2 + 2688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54738793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54738797) 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, 1609948 + ... + 1609981.

It is an arithmetic number, because the mean of its divisors is an integer number (14489685).

Almost surely, 254738793 is an apocalyptic number.

It is an amenable number.

54738793 is a deficient number, since it is larger than the sum of its proper divisors (3219947).

54738793 is a wasteful number, since it uses less digits than its factorization.

54738793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219946.

The product of its digits is 635040, while the sum is 46.

The square root of 54738793 is about 7398.5669558368. The cubic root of 54738793 is about 379.6922554559.

It can be divided in two parts, 547 and 38793, that added together give a triangular number (39340 = T280).

The spelling of 54738793 in words is "fifty-four million, seven hundred thirty-eight thousand, seven hundred ninety-three".

Divisors: 1 17 3219929 54738793