Search a number
-
+
542154532 = 22644921017
BaseRepresentation
bin100000010100001…
…001111100100100
31101210011022012111
4200110021330210
52102242421112
6125444130404
716302144313
oct4024117444
91353138174
10542154532
112590397a7
12131696a04
13884244ca
145200a27a
15328e35a7
hex20509f24

542154532 has 12 divisors (see below), whose sum is σ = 948962700. Its totient is φ = 271022336.

The previous prime is 542154517. The next prime is 542154533. The reversal of 542154532 is 235451245.

It can be written as a sum of positive squares in 2 ways, for example, as 231831076 + 310323456 = 15226^2 + 17616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542154494 and 542154503.

It is not an unprimeable number, because it can be changed into a prime (542154533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15288 + ... + 36304.

It is an arithmetic number, because the mean of its divisors is an integer number (79080225).

Almost surely, 2542154532 is an apocalyptic number.

It is an amenable number.

542154532 is a deficient number, since it is larger than the sum of its proper divisors (406808168).

542154532 is a wasteful number, since it uses less digits than its factorization.

542154532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27470 (or 27468 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 542154532 is about 23284.2120759969. The cubic root of 542154532 is about 815.4068662411.

The spelling of 542154532 in words is "five hundred forty-two million, one hundred fifty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 6449 12898 21017 25796 42034 84068 135538633 271077266 542154532