Search a number
-
+
542387607 = 31489121421
BaseRepresentation
bin100000010101000…
…010110110010111
31101210121010220220
4200111002312113
52102322400412
6125453125423
716304134656
oct4025026627
91353533826
10542387607
11259188923
12131789873
13884a6618
145206b19d
153293c68c
hex20542d97

542387607 has 8 divisors (see below), whose sum is σ = 723675120. Its totient is φ = 361345920.

The previous prime is 542387603. The next prime is 542387639. The reversal of 542387607 is 706783245.

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

It is not a de Polignac number, because 542387607 - 22 = 542387603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542387603) 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, 56244 + ... + 65177.

It is an arithmetic number, because the mean of its divisors is an integer number (90459390).

Almost surely, 2542387607 is an apocalyptic number.

542387607 is a deficient number, since it is larger than the sum of its proper divisors (181287513).

542387607 is a wasteful number, since it uses less digits than its factorization.

542387607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122913.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 542387607 is about 23289.2165389907. The cubic root of 542387607 is about 815.5236986914.

The spelling of 542387607 in words is "five hundred forty-two million, three hundred eighty-seven thousand, six hundred seven".

Divisors: 1 3 1489 4467 121421 364263 180795869 542387607