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542430540 = 223351004501
BaseRepresentation
bin100000010101001…
…101010101001100
31101210200022211000
4200111031111030
52102330234130
6125454100300
716304404101
oct4025152514
91353608730
10542430540
11259208103
121317aa690
13884c0022
145207caa8
153294a260
hex2054d54c

542430540 has 48 divisors (see below), whose sum is σ = 1687563360. Its totient is φ = 144648000.

The previous prime is 542430527. The next prime is 542430569. The reversal of 542430540 is 45034245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501711 + ... + 502790.

It is an arithmetic number, because the mean of its divisors is an integer number (35157570).

Almost surely, 2542430540 is an apocalyptic number.

It is an amenable number.

542430540 is an abundant number, since it is smaller than the sum of its proper divisors (1145132820).

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

542430540 is a wasteful number, since it uses less digits than its factorization.

542430540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004519 (or 1004511 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 542430540 is about 23290.1382563522. The cubic root of 542430540 is about 815.5452158713.

Adding to 542430540 its reverse (45034245), we get a palindrome (587464785).

The spelling of 542430540 in words is "five hundred forty-two million, four hundred thirty thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 1004501 2009002 3013503 4018004 5022505 6027006 9040509 10045010 12054012 15067515 18081018 20090020 27121527 30135030 36162036 45202545 54243054 60270060 90405090 108486108 135607635 180810180 271215270 542430540