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542199 = 3725819
BaseRepresentation
bin10000100010111110111
31000112202110
42010113313
5114322244
615342103
74415520
oct2042767
91015673
10542199
113403a9
12221933
1315ca38
14101847
15aa9b9
hex845f7

542199 has 8 divisors (see below), whose sum is σ = 826240. Its totient is φ = 309816.

The previous prime is 542197. The next prime is 542207. The reversal of 542199 is 991245.

It is a happy number.

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

It is not a de Polignac number, because 542199 - 21 = 542197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542197) 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 7 ways as a sum of consecutive naturals, for example, 12889 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (103280).

2542199 is an apocalyptic number.

542199 is a deficient number, since it is larger than the sum of its proper divisors (284041).

542199 is a wasteful number, since it uses less digits than its factorization.

542199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25829.

The product of its digits is 3240, while the sum is 30.

The square root of 542199 is about 736.3416326679. The cubic root of 542199 is about 81.5429159099.

It can be divided in two parts, 542 and 199, that added together give a triangular number (741 = T38).

The spelling of 542199 in words is "five hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 3 7 21 25819 77457 180733 542199