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542906982 = 23310992237
BaseRepresentation
bin100000010111000…
…001101001100110
31101211120112101000
4200113001221212
52102441010412
6125512214130
716311430122
oct4027015146
91354515330
10542906982
11259503062
1213199a346
1388628b47
1452164582
15329e14dc
hex205c1a66

542906982 has 32 divisors (see below), whose sum is σ = 1217541600. Its totient is φ = 179306784.

The previous prime is 542906971. The next prime is 542906989. The reversal of 542906982 is 289609245.

It is a super-2 number, since 2×5429069822 = 589495982208696648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542906989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40233 + ... + 52004.

It is an arithmetic number, because the mean of its divisors is an integer number (38048175).

Almost surely, 2542906982 is an apocalyptic number.

542906982 is an abundant number, since it is smaller than the sum of its proper divisors (674634618).

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

542906982 is a wasteful number, since it uses less digits than its factorization.

542906982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92357 (or 92351 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 542906982 is about 23300.3644177511. The cubic root of 542906982 is about 815.7839231079.

The spelling of 542906982 in words is "five hundred forty-two million, nine hundred six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 109 218 327 654 981 1962 2943 5886 92237 184474 276711 553422 830133 1660266 2490399 4980798 10053833 20107666 30161499 60322998 90484497 180968994 271453491 542906982