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54499147 = 311939109
BaseRepresentation
bin1100111111100…
…1011101001011
310210112211202221
43033321131023
5102422433042
65224034511
71231143433
oct317713513
9123484687
1054499147
112884401a
1216302a37
13b3a2221
1473492c3
154bb7d67
hex33f974b

54499147 has 8 divisors (see below), whose sum is σ = 56554880. Its totient is φ = 52462080.

The previous prime is 54499141. The next prime is 54499157. The reversal of 54499147 is 74199445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54499147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54499141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (7069360).

Almost surely, 254499147 is an apocalyptic number.

54499147 is a deficient number, since it is larger than the sum of its proper divisors (2055733).

54499147 is a wasteful number, since it uses less digits than its factorization.

54499147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333.

The product of its digits is 181440, while the sum is 43.

The square root of 54499147 is about 7382.3537574408. The cubic root of 54499147 is about 379.1373483161.

The spelling of 54499147 in words is "fifty-four million, four hundred ninety-nine thousand, one hundred forty-seven".

Divisors: 1 31 193 5983 9109 282379 1758037 54499147