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42797030 = 2541104383
BaseRepresentation
bin1010001101000…
…0011111100110
32222112022111012
42203100133212
541424001110
64125142222
71026524453
oct243203746
988468435
1042797030
1122181051
12123ba972
138b359b3
14598082a
153b55905
hex28d07e6

42797030 has 16 divisors (see below), whose sum is σ = 78914304. Its totient is φ = 16701120.

The previous prime is 42797017. The next prime is 42797039. The reversal of 42797030 is 3079724.

It is a happy number.

42797030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42797039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51782 + ... + 52601.

It is an arithmetic number, because the mean of its divisors is an integer number (4932144).

Almost surely, 242797030 is an apocalyptic number.

42797030 is a deficient number, since it is larger than the sum of its proper divisors (36117274).

42797030 is a wasteful number, since it uses less digits than its factorization.

42797030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104431.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 42797030 is about 6541.9439007072. The cubic root of 42797030 is about 349.7877079953.

The spelling of 42797030 in words is "forty-two million, seven hundred ninety-seven thousand, thirty".

Divisors: 1 2 5 10 41 82 205 410 104383 208766 521915 1043830 4279703 8559406 21398515 42797030