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542075207 = 3117486297
BaseRepresentation
bin100000010011110…
…110100101000111
31101210000021101112
4200103312211013
52102232401312
6125442315235
716301364122
oct4023664507
91353007345
10542075207
11258a95143
12131658b1b
13883c737b
1451dc93b9
15328c9d22
hex204f6947

542075207 has 4 divisors (see below), whose sum is σ = 559561536. Its totient is φ = 524588880.

The previous prime is 542075189. The next prime is 542075231. The reversal of 542075207 is 702570245.

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 542075207 - 214 = 542058823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542075267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8743118 + ... + 8743179.

It is an arithmetic number, because the mean of its divisors is an integer number (139890384).

Almost surely, 2542075207 is an apocalyptic number.

542075207 is a deficient number, since it is larger than the sum of its proper divisors (17486329).

542075207 is a wasteful number, since it uses less digits than its factorization.

542075207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486328.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 542075207 is about 23282.5086062477. The cubic root of 542075207 is about 815.3670957201.

The spelling of 542075207 in words is "five hundred forty-two million, seventy-five thousand, two hundred seven".

Divisors: 1 31 17486297 542075207