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42476478 = 2311643583
BaseRepresentation
bin1010001000001…
…0001110111110
32221221000202220
42202002032332
541333221403
64114230210
71024021062
oct242021676
987830686
1042476478
1121a82230
1212285366
138a52b15
1458d9aa2
153ae0953
hex28823be

42476478 has 16 divisors (see below), whose sum is σ = 92676096. Its totient is φ = 12871640.

The previous prime is 42476477. The next prime is 42476513. The reversal of 42476478 is 87467424.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42476471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321726 + ... + 321857.

It is an arithmetic number, because the mean of its divisors is an integer number (5792256).

Almost surely, 242476478 is an apocalyptic number.

42476478 is an abundant number, since it is smaller than the sum of its proper divisors (50199618).

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

42476478 is a wasteful number, since it uses less digits than its factorization.

42476478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643599.

The product of its digits is 301056, while the sum is 42.

The square root of 42476478 is about 6517.3981004692. The cubic root of 42476478 is about 348.9122090710.

The spelling of 42476478 in words is "forty-two million, four hundred seventy-six thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 643583 1287166 1930749 3861498 7079413 14158826 21238239 42476478