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42197814 = 2331734517
BaseRepresentation
bin1010000011111…
…0001100110110
32221101212112000
42200332030312
541300312224
64104240130
71021450461
oct240761466
987355460
1042197814
112190192a
1212170046
138986029
1458662d8
153a880c9
hex283e336

42197814 has 32 divisors (see below), whose sum is σ = 94335840. Its totient is φ = 13981536.

The previous prime is 42197807. The next prime is 42197819. The reversal of 42197814 is 41879124.

42197814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42197819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7084 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (2947995).

Almost surely, 242197814 is an apocalyptic number.

42197814 is an abundant number, since it is smaller than the sum of its proper divisors (52138026).

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

42197814 is a wasteful number, since it uses less digits than its factorization.

42197814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4695 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 42197814 is about 6495.9844519518. The cubic root of 42197814 is about 348.1475296003.

The spelling of 42197814 in words is "forty-two million, one hundred ninety-seven thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 173 346 519 1038 1557 3114 4517 4671 9034 9342 13551 27102 40653 81306 121959 243918 781441 1562882 2344323 4688646 7032969 14065938 21098907 42197814