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54983690 = 2512914259
BaseRepresentation
bin1101000110111…
…1110000001010
310211110110102222
43101233300022
5103033434230
65242254042
71235232206
oct321576012
9124413388
1054983690
1129045073
12164b7322
13b511938
147433b06
154c616e5
hex346fc0a

54983690 has 16 divisors (see below), whose sum is σ = 99070560. Its totient is φ = 21971280.

The previous prime is 54983689. The next prime is 54983699. The reversal of 54983690 is 9638945.

54983690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×549836903 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54983699) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10781 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (6191910).

Almost surely, 254983690 is an apocalyptic number.

54983690 is a deficient number, since it is larger than the sum of its proper divisors (44086870).

54983690 is a wasteful number, since it uses less digits than its factorization.

54983690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 54983690 is about 7415.0987855861. The cubic root of 54983690 is about 380.2576507508.

The spelling of 54983690 in words is "fifty-four million, nine hundred eighty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 1291 2582 4259 6455 8518 12910 21295 42590 5498369 10996738 27491845 54983690