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42739802 = 2717179579
BaseRepresentation
bin1010001100001…
…0100001011010
32222102101222122
42203002201122
541420133202
64124021242
71026165560
oct243024132
988371878
1042739802
1122142056
1212391822
138b15931
145967a30
153b439a2
hex28c285a

42739802 has 16 divisors (see below), whose sum is σ = 77578560. Its totient is φ = 17239488.

The previous prime is 42739789. The next prime is 42739813. The reversal of 42739802 is 20893724.

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, 89552 + ... + 90027.

It is an arithmetic number, because the mean of its divisors is an integer number (4848660).

Almost surely, 242739802 is an apocalyptic number.

42739802 is a deficient number, since it is larger than the sum of its proper divisors (34838758).

42739802 is a wasteful number, since it uses less digits than its factorization.

42739802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179605.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 42739802 is about 6537.5685082452. The cubic root of 42739802 is about 349.6317269215.

The spelling of 42739802 in words is "forty-two million, seven hundred thirty-nine thousand, eight hundred two".

Divisors: 1 2 7 14 17 34 119 238 179579 359158 1257053 2514106 3052843 6105686 21369901 42739802