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542131550 = 252107101333
BaseRepresentation
bin100000010100000…
…100010101011110
31101210010010200022
4200110010111132
52102241202200
6125443432142
716302020312
oct4024042536
91353103608
10542131550
11259023504
12131685652
1388416bcc
1452001b42
15328db885
hex2050455e

542131550 has 24 divisors (see below), whose sum is σ = 1017798696. Its totient is φ = 214823840.

The previous prime is 542131529. The next prime is 542131559. The reversal of 542131550 is 55131245.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542131559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45317 + ... + 56016.

It is an arithmetic number, because the mean of its divisors is an integer number (42408279).

Almost surely, 2542131550 is an apocalyptic number.

542131550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542131550 is a deficient number, since it is larger than the sum of its proper divisors (475667146).

542131550 is a wasteful number, since it uses less digits than its factorization.

542131550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101452 (or 101447 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 542131550 is about 23283.7185604018. The cubic root of 542131550 is about 815.3953443445.

Adding to 542131550 its reverse (55131245), we get a palindrome (597262795).

The spelling of 542131550 in words is "five hundred forty-two million, one hundred thirty-one thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 107 214 535 1070 2675 5350 101333 202666 506665 1013330 2533325 5066650 10842631 21685262 54213155 108426310 271065775 542131550