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42775130 = 2533112923
BaseRepresentation
bin1010001100101…
…1001001011010
32222111012110002
42203023021122
541422301010
64124453002
71026403556
oct243131132
988435402
1042775130
1122166652
12123aa162
138b28a38
145976866
153b4e1a5
hex28cb25a

42775130 has 16 divisors (see below), whose sum is σ = 77233824. Its totient is φ = 17057040.

The previous prime is 42775127. The next prime is 42775141. The reversal of 42775130 is 3157724.

It is a junction number, because it is equal to n+sod(n) for n = 42775093 and 42775102.

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, 3152 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (4827114).

Almost surely, 242775130 is an apocalyptic number.

42775130 is a deficient number, since it is larger than the sum of its proper divisors (34458694).

42775130 is a wasteful number, since it uses less digits than its factorization.

42775130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 42775130 is about 6540.2698721077. The cubic root of 42775130 is about 349.7280336221.

It can be divided in two parts, 427 and 75130, that added together give a palindrome (75557).

The spelling of 42775130 in words is "forty-two million, seven hundred seventy-five thousand, one hundred thirty".

Divisors: 1 2 5 10 331 662 1655 3310 12923 25846 64615 129230 4277513 8555026 21387565 42775130