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54657743 = 731251879
BaseRepresentation
bin1101000010000…
…0001011001111
310210211220022212
43100200023033
5102443021433
65231301035
71232404010
oct320401317
9123756285
1054657743
1128942198
121637a77b
13b42947a
14738b007
154be9d48
hex34202cf

54657743 has 8 divisors (see below), whose sum is σ = 64481280. Its totient is φ = 45338040.

The previous prime is 54657739. The next prime is 54657751. The reversal of 54657743 is 34775645.

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 54657743 - 22 = 54657739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54657743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54657763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125723 + ... + 126156.

It is an arithmetic number, because the mean of its divisors is an integer number (8060160).

Almost surely, 254657743 is an apocalyptic number.

54657743 is a deficient number, since it is larger than the sum of its proper divisors (9823537).

54657743 is a wasteful number, since it uses less digits than its factorization.

54657743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251917.

The product of its digits is 352800, while the sum is 41.

The square root of 54657743 is about 7393.0875146991. The cubic root of 54657743 is about 379.5047634486.

The spelling of 54657743 in words is "fifty-four million, six hundred fifty-seven thousand, seven hundred forty-three".

Divisors: 1 7 31 217 251879 1763153 7808249 54657743