Search a number
-
+
54493790 = 2513419183
BaseRepresentation
bin1100111111100…
…0001001011110
310210112120102112
43033320021132
5102422300130
65223554022
71231122011
oct317701136
9123476375
1054493790
112883aa9a
12162bb912
13b39c960
147347378
154bb6495
hex33f825e

54493790 has 16 divisors (see below), whose sum is σ = 105634368. Its totient is φ = 20120736.

The previous prime is 54493741. The next prime is 54493793. The reversal of 54493790 is 9739445.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54493793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209462 + ... + 209721.

It is an arithmetic number, because the mean of its divisors is an integer number (6602148).

Almost surely, 254493790 is an apocalyptic number.

54493790 is a deficient number, since it is larger than the sum of its proper divisors (51140578).

54493790 is a wasteful number, since it uses less digits than its factorization.

54493790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419203.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 54493790 is about 7381.9909238633. The cubic root of 54493790 is about 379.1249254591.

The spelling of 54493790 in words is "fifty-four million, four hundred ninety-three thousand, seven hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 419183 838366 2095915 4191830 5449379 10898758 27246895 54493790