Search a number
-
+
542200031 = 4113224391
BaseRepresentation
bin100000010100010…
…101000011011111
31101210020121121122
4200110111003133
52102300400111
6125445121155
716302424052
oct4024250337
91353217548
10542200031
1125906a9aa
121316b91bb
138843c129
145201ca99
1532901cdb
hex205150df

542200031 has 4 divisors (see below), whose sum is σ = 555424464. Its totient is φ = 528975600.

The previous prime is 542200019. The next prime is 542200039. The reversal of 542200031 is 130002245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542200031 - 26 = 542199967 is a prime.

It is a super-2 number, since 2×5422000312 = 587961747232801922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542199982 and 542200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542200039) 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 3 ways as a sum of consecutive naturals, for example, 6612155 + ... + 6612236.

It is an arithmetic number, because the mean of its divisors is an integer number (138856116).

Almost surely, 2542200031 is an apocalyptic number.

542200031 is a deficient number, since it is larger than the sum of its proper divisors (13224433).

542200031 is a wasteful number, since it uses less digits than its factorization.

542200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224432.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 542200031 is about 23285.1890909222. The cubic root of 542200031 is about 815.4296759488.

Adding to 542200031 its reverse (130002245), we get a palindrome (672202276).

The spelling of 542200031 in words is "five hundred forty-two million, two hundred thousand, thirty-one".

Divisors: 1 41 13224391 542200031