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54978098 = 2741072
BaseRepresentation
bin1101000110111…
…0011000110010
310211110011202212
43101232120302
5103033244343
65242212122
71235210000
oct321563062
9124404685
1054978098
112904094a
12164b4042
13b50c226
147431a70
154c5ec18
hex346e632

54978098 has 30 divisors (see below), whose sum is σ = 97113471. Its totient is φ = 23341836.

The previous prime is 54978083. The next prime is 54978101. The reversal of 54978098 is 89087945.

54978098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27489049 + 27489049 = 5243^2 + 5243^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 513761 + ... + 513867.

Almost surely, 254978098 is an apocalyptic number.

54978098 is a deficient number, since it is larger than the sum of its proper divisors (42135373).

54978098 is an frugal number, since it uses more digits than its factorization.

54978098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 54978098 is about 7414.7217075221. The cubic root of 54978098 is about 380.2447592135.

Multiplying 54978098 by its sum of digits (50), we get a square (2748904900 = 524302).

The spelling of 54978098 in words is "fifty-four million, nine hundred seventy-eight thousand, ninety-eight".

Divisors: 1 2 7 14 49 98 107 214 343 686 749 1498 2401 4802 5243 10486 11449 22898 36701 73402 80143 160286 256907 513814 561001 1122002 3927007 7854014 27489049 54978098