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542699907 = 3199521051
BaseRepresentation
bin100000010110001…
…111000110000011
31101211012000022120
4200112033012003
52102412344112
6125503535323
716306605321
oct4026170603
91354160276
10542699907
11259381522
121318ba543
1388585809
145210cd11
153299ee8c
hex2058f183

542699907 has 8 divisors (see below), whose sum is σ = 761684160. Its totient is φ = 342757800.

The previous prime is 542699887. The next prime is 542699917. The reversal of 542699907 is 709996245.

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

It is not a de Polignac number, because 542699907 - 27 = 542699779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542699907.

It is not an unprimeable number, because it can be changed into a prime (542699917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760469 + ... + 4760582.

It is an arithmetic number, because the mean of its divisors is an integer number (95210520).

Almost surely, 2542699907 is an apocalyptic number.

542699907 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

542699907 is a deficient number, since it is larger than the sum of its proper divisors (218984253).

542699907 is a wasteful number, since it uses less digits than its factorization.

542699907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521073.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 542699907 is about 23295.9203939231. The cubic root of 542699907 is about 815.6801914415.

The spelling of 542699907 in words is "five hundred forty-two million, six hundred ninety-nine thousand, nine hundred seven".

Divisors: 1 3 19 57 9521051 28563153 180899969 542699907