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42849835 = 571224281
BaseRepresentation
bin1010001101110…
…1011000101011
32222121222220221
42203131120223
541432143320
64130230511
71030134430
oct243353053
988558827
1042849835
1122207796
1212425437
138b53a42
145995b87
153b663aa
hex28dd62b

42849835 has 8 divisors (see below), whose sum is σ = 58765536. Its totient is φ = 29382720.

The previous prime is 42849823. The next prime is 42849857. The reversal of 42849835 is 53894824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42849835 - 25 = 42849803 is a prime.

It is a super-2 number, since 2×428498352 = 3672216719054450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42849791 and 42849800.

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, 612106 + ... + 612175.

It is an arithmetic number, because the mean of its divisors is an integer number (7345692).

Almost surely, 242849835 is an apocalyptic number.

42849835 is a deficient number, since it is larger than the sum of its proper divisors (15915701).

42849835 is a wasteful number, since it uses less digits than its factorization.

42849835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224293.

The product of its digits is 276480, while the sum is 43.

The square root of 42849835 is about 6545.9785364757. The cubic root of 42849835 is about 349.9315104080.

The spelling of 42849835 in words is "forty-two million, eight hundred forty-nine thousand, eight hundred thirty-five".

Divisors: 1 5 7 35 1224281 6121405 8569967 42849835