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42797825 = 52742331
BaseRepresentation
bin1010001101000…
…0101100000001
32222112100120122
42203100230001
541424012300
64125150025
71026530000
oct243205401
988470518
1042797825
1122181704
12123bb315
138b36175
145980c37
153b55c85
hex28d0b01

42797825 has 60 divisors (see below), whose sum is σ = 66686208. Its totient is φ = 27165600.

The previous prime is 42797813. The next prime is 42797837. The reversal of 42797825 is 52879724.

It is an interprime number because it is at equal distance from previous prime (42797813) and next prime (42797837).

It is not a de Polignac number, because 42797825 - 26 = 42797761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1380560 + ... + 1380590.

Almost surely, 242797825 is an apocalyptic number.

It is an amenable number.

42797825 is a deficient number, since it is larger than the sum of its proper divisors (23888383).

42797825 is an equidigital number, since it uses as much as digits as its factorization.

42797825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 66 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 42797825 is about 6542.0046621812. The cubic root of 42797825 is about 349.7898738738.

The spelling of 42797825 in words is "forty-two million, seven hundred ninety-seven thousand, eight hundred twenty-five".

Divisors: 1 5 7 23 25 31 35 49 115 155 161 175 217 245 343 575 713 775 805 1085 1127 1225 1519 1715 2401 3565 4025 4991 5425 5635 7595 7889 8575 10633 12005 17825 24955 28175 34937 37975 39445 53165 55223 60025 74431 124775 174685 197225 244559 265825 276115 372155 873425 1222795 1380575 1711913 1860775 6113975 8559565 42797825