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542204240 = 24518793607
BaseRepresentation
bin100000010100010…
…110000101010000
31101210020211101112
4200110112011100
52102301013430
6125445152452
716302442244
oct4024260520
91353224345
10542204240
11259073086
121316bb728
1388441016
1452020424
1532903195
hex20516150

542204240 has 40 divisors (see below), whose sum is σ = 1261645440. Its totient is φ = 216706176.

The previous prime is 542204237. The next prime is 542204249. The reversal of 542204240 is 42402245.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542204249) 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, 148517 + ... + 152123.

It is an arithmetic number, because the mean of its divisors is an integer number (31541136).

Almost surely, 2542204240 is an apocalyptic number.

It is an amenable number.

542204240 is an abundant number, since it is smaller than the sum of its proper divisors (719441200).

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

542204240 is a wasteful number, since it uses less digits than its factorization.

542204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 542204240 is about 23285.2794700858. The cubic root of 542204240 is about 815.4317859540.

Adding to 542204240 its reverse (42402245), we get a palindrome (584606485).

The spelling of 542204240 in words is "five hundred forty-two million, two hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1879 3607 3758 7214 7516 9395 14428 15032 18035 18790 28856 30064 36070 37580 57712 72140 75160 144280 150320 288560 6777553 13555106 27110212 33887765 54220424 67775530 108440848 135551060 271102120 542204240