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42793317 = 3272234219
BaseRepresentation
bin1010001100111…
…1100101100101
32222112010101200
42203033211211
541423341232
64125113113
71026510600
oct243174545
988463350
1042793317
1122179286
12123b8799
138b340b8
14597d337
153b5477c
hex28cf965

42793317 has 36 divisors (see below), whose sum is σ = 75048480. Its totient is φ = 23384592.

The previous prime is 42793297. The next prime is 42793319. The reversal of 42793317 is 71339724.

It is not a de Polignac number, because 42793317 - 28 = 42793061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42793319) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8034 + ... + 12252.

It is an arithmetic number, because the mean of its divisors is an integer number (2084680).

Almost surely, 242793317 is an apocalyptic number.

It is an amenable number.

42793317 is a deficient number, since it is larger than the sum of its proper divisors (32255163).

42793317 is a wasteful number, since it uses less digits than its factorization.

42793317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4252 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 42793317 is about 6541.6601104001. The cubic root of 42793317 is about 349.7775920338. Note that the first 3 decimals are identical.

The spelling of 42793317 in words is "forty-two million, seven hundred ninety-three thousand, three hundred seventeen".

Divisors: 1 3 7 9 21 23 49 63 69 147 161 207 441 483 1127 1449 3381 4219 10143 12657 29533 37971 88599 97037 206731 265797 291111 620193 679259 873333 1860579 2037777 4754813 6113331 14264439 42793317