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42188468 = 2271506731
BaseRepresentation
bin1010000011101…
…1111010110100
32221101101200212
42200323322310
541300012333
64104124552
71021411310
oct240737264
987341625
1042188468
11218a5903
1212166758
1389819ba
145862b40
153a85448
hex283beb4

42188468 has 12 divisors (see below), whose sum is σ = 84376992. Its totient is φ = 18080760.

The previous prime is 42188459. The next prime is 42188479. The reversal of 42188468 is 86488124.

42188468 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753338 + ... + 753393.

It is an arithmetic number, because the mean of its divisors is an integer number (7031416).

Almost surely, 242188468 is an apocalyptic number.

It is an amenable number.

42188468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42188468 is a wasteful number, since it uses less digits than its factorization.

42188468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506742 (or 1506740 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 42188468 is about 6495.2650446306. The cubic root of 42188468 is about 348.1218250535.

The spelling of 42188468 in words is "forty-two million, one hundred eighty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1506731 3013462 6026924 10547117 21094234 42188468