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542245212 = 223337135697
BaseRepresentation
bin100000010100100…
…000000101011100
31101210022220121000
4200110200011130
52102303321322
6125450110300
716303002555
oct4024400534
91353286530
10542245212
112590a0943
1213171b390
1388456872
145203132c
15329103ac
hex2052015c

542245212 has 48 divisors (see below), whose sum is σ = 1443826720. Its totient is φ = 175862016.

The previous prime is 542245201. The next prime is 542245267. The reversal of 542245212 is 212542245.

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

It is a congruent number.

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, 63853 + ... + 71844.

Almost surely, 2542245212 is an apocalyptic number.

It is an amenable number.

542245212 is an abundant number, since it is smaller than the sum of its proper divisors (901581508).

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

542245212 is a wasteful number, since it uses less digits than its factorization.

542245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135747 (or 135739 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 542245212 is about 23286.1592367655. The cubic root of 542245212 is about 815.4523249730.

Adding to 542245212 its reverse (212542245), we get a palindrome (754787457).

The spelling of 542245212 in words is "five hundred forty-two million, two hundred forty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 37 54 74 108 111 148 222 333 444 666 999 1332 1998 3996 135697 271394 407091 542788 814182 1221273 1628364 2442546 3663819 4885092 5020789 7327638 10041578 14655276 15062367 20083156 30124734 45187101 60249468 90374202 135561303 180748404 271122606 542245212