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542674540 = 22567404981
BaseRepresentation
bin100000010110001…
…000111001101100
31101211010201112001
4200112020321230
52102411041130
6125503222044
716306441342
oct4026107154
91354121461
10542674540
11259364461
121318a7924
13885770c5
1452103992
15329976ca
hex20588e6c

542674540 has 24 divisors (see below), whose sum is σ = 1156628592. Its totient is φ = 213829440.

The previous prime is 542674537. The next prime is 542674541. The reversal of 542674540 is 45476245.

It is a self number, because there is not a number n which added to its sum of digits gives 542674540.

It is not an unprimeable number, because it can be changed into a prime (542674541) 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, 201151 + ... + 203830.

It is an arithmetic number, because the mean of its divisors is an integer number (48192858).

Almost surely, 2542674540 is an apocalyptic number.

It is an amenable number.

542674540 is an abundant number, since it is smaller than the sum of its proper divisors (613954052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542674540 is a wasteful number, since it uses less digits than its factorization.

542674540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405057 (or 405055 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 542674540 is about 23295.3759360093. The cubic root of 542674540 is about 815.6674823417.

The spelling of 542674540 in words is "five hundred forty-two million, six hundred seventy-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 404981 809962 1619924 2024905 4049810 8099620 27133727 54267454 108534908 135668635 271337270 542674540