Search a number
-
+
542557437 = 3820922031
BaseRepresentation
bin100000010101101…
…100010011111101
31101210220202212220
4200111230103331
52102343314222
6125500515553
716305443052
oct4025542375
91353822786
10542557437
11259294484
1213184bbb9
1388535a06
14520b3029
1532972b5c
hex2056c4fd

542557437 has 8 divisors (see below), whose sum is σ = 723530880. Its totient is φ = 361644480.

The previous prime is 542557349. The next prime is 542557441. The reversal of 542557437 is 734755245.

542557437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542557437 - 218 = 542295293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542557487) 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, 13612 + ... + 35642.

It is an arithmetic number, because the mean of its divisors is an integer number (90441360).

Almost surely, 2542557437 is an apocalyptic number.

It is an amenable number.

542557437 is a deficient number, since it is larger than the sum of its proper divisors (180973443).

542557437 is a wasteful number, since it uses less digits than its factorization.

542557437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30243.

The product of its digits is 588000, while the sum is 42.

The square root of 542557437 is about 23292.8623616764. The cubic root of 542557437 is about 815.6088075293.

The spelling of 542557437 in words is "five hundred forty-two million, five hundred fifty-seven thousand, four hundred thirty-seven".

Divisors: 1 3 8209 22031 24627 66093 180852479 542557437