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42985674 = 2335691399
BaseRepresentation
bin1010001111111…
…0100011001010
32222212220021000
42203332203022
542001020144
64133155430
71031241444
oct243764312
988786230
1042985674
112229a856
121248bb76
138ba0814
1459cd494
153b91769
hex28fe8ca

42985674 has 32 divisors (see below), whose sum is σ = 95760000. Its totient is φ = 14293152.

The previous prime is 42985669. The next prime is 42985693. The reversal of 42985674 is 47658924.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30027 + ... + 31425.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 242985674 is an apocalyptic number.

42985674 is an abundant number, since it is smaller than the sum of its proper divisors (52774326).

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

42985674 is a wasteful number, since it uses less digits than its factorization.

42985674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1973 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42985674 is about 6556.3460860452. The cubic root of 42985674 is about 350.3008949880.

The spelling of 42985674 in words is "forty-two million, nine hundred eighty-five thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 569 1138 1399 1707 2798 3414 4197 5121 8394 10242 12591 15363 25182 30726 37773 75546 796031 1592062 2388093 4776186 7164279 14328558 21492837 42985674