Base | Representation |
---|---|
bin | 100001000010111… |
… | …000001011101110 |
3 | 1102122012120022111 |
4 | 201002320023232 |
5 | 2113411340132 |
6 | 131002434234 |
7 | 16511225641 |
oct | 4102701356 |
9 | 1378176274 |
10 | 554402542 |
11 | 264a44921 |
12 | 13580297a |
13 | 8ab22355 |
14 | 538b7a58 |
15 | 33a12647 |
hex | 210b82ee |
554402542 has 4 divisors (see below), whose sum is σ = 831603816. Its totient is φ = 277201270.
The previous prime is 554402531. The next prime is 554402549. The reversal of 554402542 is 245204455.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245204455 = 5 ⋅49040891.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (554402549) 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 as a sum of consecutive naturals, namely, 138600634 + ... + 138600637.
It is an arithmetic number, because the mean of its divisors is an integer number (207900954).
Almost surely, 2554402542 is an apocalyptic number.
554402542 is a deficient number, since it is larger than the sum of its proper divisors (277201274).
554402542 is a wasteful number, since it uses less digits than its factorization.
554402542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277201273.
The product of its (nonzero) digits is 32000, while the sum is 31.
The square root of 554402542 is about 23545.7542244881. The cubic root of 554402542 is about 821.5015823569.
Adding to 554402542 its reverse (245204455), we get a palindrome (799606997).
The spelling of 554402542 in words is "five hundred fifty-four million, four hundred two thousand, five hundred forty-two".
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