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423089347 = 2347391387
BaseRepresentation
bin11001001101111…
…101010011000011
31002111010011110211
4121031331103003
51331302324342
6105552134551
713325125432
oct3115752303
91074104424
10423089347
111a790631a
12b9837457
1369866c35
1440295119
1527224c17
hex1937d4c3

423089347 has 8 divisors (see below), whose sum is σ = 450878976. Its totient is φ = 396082632.

The previous prime is 423089309. The next prime is 423089371. The reversal of 423089347 is 743980324.

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

It is not a de Polignac number, because 423089347 - 223 = 414700739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423089747) 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, 194613 + ... + 196774.

It is an arithmetic number, because the mean of its divisors is an integer number (56359872).

Almost surely, 2423089347 is an apocalyptic number.

423089347 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

423089347 is a deficient number, since it is larger than the sum of its proper divisors (27789629).

423089347 is a wasteful number, since it uses less digits than its factorization.

423089347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391457.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 423089347 is about 20569.1357864155. The cubic root of 423089347 is about 750.7189236818.

The spelling of 423089347 in words is "four hundred twenty-three million, eighty-nine thousand, three hundred forty-seven".

Divisors: 1 23 47 1081 391387 9001901 18395189 423089347