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42193242 = 23271325759
BaseRepresentation
bin1010000011110…
…1000101011010
32221101122020200
42200331011122
541300140432
64104203030
71021431240
oct240750532
987348220
1042193242
11218a9453
1212169476
138983c20
145864790
153a86a7c
hex283d15a

42193242 has 48 divisors (see below), whose sum is σ = 112519680. Its totient is φ = 11127456.

The previous prime is 42193219. The next prime is 42193253. The reversal of 42193242 is 24239124.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11242 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (2344160).

Almost surely, 242193242 is an apocalyptic number.

42193242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42193242 is an abundant number, since it is smaller than the sum of its proper divisors (70326438).

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

42193242 is a wasteful number, since it uses less digits than its factorization.

42193242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787 (or 25784 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42193242 is about 6495.6325327100. The cubic root of 42193242 is about 348.1349555841.

The spelling of 42193242 in words is "forty-two million, one hundred ninety-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 25759 51518 77277 154554 180313 231831 334867 360626 463662 540939 669734 1004601 1081878 1622817 2009202 2344069 3013803 3245634 4688138 6027606 7032207 14064414 21096621 42193242