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42629770 = 254399139
BaseRepresentation
bin1010001010011…
…1101010001010
32222012211001101
42202213222022
541403123040
64121412014
71025230021
oct242475212
988184041
1042629770
1122077417
121233a00a
138aa7821
1459398b8
153b2109a
hex28a7a8a

42629770 has 16 divisors (see below), whose sum is σ = 78518880. Its totient is φ = 16655184.

The previous prime is 42629759. The next prime is 42629773. The reversal of 42629770 is 7792624.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42629773) 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, 49140 + ... + 49999.

It is an arithmetic number, because the mean of its divisors is an integer number (4907430).

Almost surely, 242629770 is an apocalyptic number.

42629770 is a deficient number, since it is larger than the sum of its proper divisors (35889110).

42629770 is a wasteful number, since it uses less digits than its factorization.

42629770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99189.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42629770 is about 6529.1477238611. The cubic root of 42629770 is about 349.3314311983.

The spelling of 42629770 in words is "forty-two million, six hundred twenty-nine thousand, seven hundred seventy".

Divisors: 1 2 5 10 43 86 215 430 99139 198278 495695 991390 4262977 8525954 21314885 42629770