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542707723 = 2053326431
BaseRepresentation
bin100000010110010…
…001000000001011
31101211012102001001
4200112101000023
52102413121343
6125504035431
716306640155
oct4026210013
91354172031
10542707723
11259387388
12131902b77
138858923c
1452111ad5
15329a244d
hex2059100b

542707723 has 4 divisors (see below), whose sum is σ = 542754688. Its totient is φ = 542660760.

The previous prime is 542707673. The next prime is 542707729. The reversal of 542707723 is 327707245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 542707723 - 29 = 542707211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542707729) 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, 7318 + ... + 33748.

It is an arithmetic number, because the mean of its divisors is an integer number (135688672).

Almost surely, 2542707723 is an apocalyptic number.

542707723 is a deficient number, since it is larger than the sum of its proper divisors (46965).

542707723 is a wasteful number, since it uses less digits than its factorization.

542707723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46964.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 542707723 is about 23296.0881480132. The cubic root of 542707723 is about 815.6841072494.

The spelling of 542707723 in words is "five hundred forty-two million, seven hundred seven thousand, seven hundred twenty-three".

Divisors: 1 20533 26431 542707723