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42476805 = 345714983
BaseRepresentation
bin1010001000001…
…0010100000101
32221221001020000
42202002110011
541333224210
64114231513
71024022040
oct242022405
987831200
1042476805
1121a824a8
1212285599
138a53007
1458d9c57
153ae0ac0
hex2882505

42476805 has 40 divisors (see below), whose sum is σ = 87027072. Its totient is φ = 19416672.

The previous prime is 42476783. The next prime is 42476807. The reversal of 42476805 is 50867424.

It is not a de Polignac number, because 42476805 - 25 = 42476773 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42476805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42476807) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4657 + ... + 10326.

Almost surely, 242476805 is an apocalyptic number.

42476805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42476805 is an abundant number, since it is smaller than the sum of its proper divisors (44550267).

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

42476805 is a wasteful number, since it uses less digits than its factorization.

42476805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007 (or 14998 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42476805 is about 6517.4231871193. The cubic root of 42476805 is about 348.9131044215.

The spelling of 42476805 in words is "forty-two million, four hundred seventy-six thousand, eight hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 315 405 567 945 2835 14983 44949 74915 104881 134847 224745 314643 404541 524405 674235 943929 1213623 1573215 2022705 2831787 4719645 6068115 8495361 14158935 42476805