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542311212 = 223137329873
BaseRepresentation
bin100000010100110…
…000001100101100
31101210110021010110
4200110300030230
52102312424322
6125451340020
716303366152
oct4024601454
91353407113
10542311212
11259136493
12131751610
138847a911
145204b3d2
1532924c0c
hex2053032c

542311212 has 24 divisors (see below), whose sum is σ = 1274633136. Its totient is φ = 179450368.

The previous prime is 542311207. The next prime is 542311213. The reversal of 542311212 is 212113245.

It is not an unprimeable number, because it can be changed into a prime (542311213) 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, 163293 + ... + 166580.

It is an arithmetic number, because the mean of its divisors is an integer number (53109714).

Almost surely, 2542311212 is an apocalyptic number.

It is an amenable number.

542311212 is an abundant number, since it is smaller than the sum of its proper divisors (732321924).

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

542311212 is a wasteful number, since it uses less digits than its factorization.

542311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330017 (or 330015 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 542311212 is about 23287.5763444803. The cubic root of 542311212 is about 815.4854082035.

Adding to 542311212 its reverse (212113245), we get a palindrome (754424457).

The spelling of 542311212 in words is "five hundred forty-two million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 329873 659746 989619 1319492 1979238 3958476 45192601 90385202 135577803 180770404 271155606 542311212