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42492212 = 227330971
BaseRepresentation
bin1010001000011…
…0000100110100
32221221211100122
42202012010310
541334222322
64114431112
71024115000
oct242060464
987854318
1042492212
1121a93034
1212292498
138a5a029
145901700
153ae5442
hex2886134

42492212 has 24 divisors (see below), whose sum is σ = 86721600. Its totient is φ = 18210360.

The previous prime is 42492199. The next prime is 42492251. The reversal of 42492212 is 21229424.

It is a happy number.

It is a super-3 number, since 3×424922123 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14114 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (3613400).

Almost surely, 242492212 is an apocalyptic number.

It is an amenable number.

42492212 is an abundant number, since it is smaller than the sum of its proper divisors (44229388).

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

42492212 is a wasteful number, since it uses less digits than its factorization.

42492212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30996 (or 30980 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 42492212 is about 6518.6050655029. The cubic root of 42492212 is about 348.9552847313.

The spelling of 42492212 in words is "forty-two million, four hundred ninety-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 30971 61942 123884 216797 433594 867188 1517579 3035158 6070316 10623053 21246106 42492212