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423390761 = 10730712889
BaseRepresentation
bin11001001111000…
…110111000101001
31002111200110221022
4121033012320221
51331342001021
6110002422225
713330522253
oct3117067051
91074613838
10423390761
111a7aa1822
12b9961975
13699411a1
1440332cd3
15272841ab
hex193c6e29

423390761 has 8 divisors (see below), whose sum is σ = 428772960. Its totient is φ = 418035168.

The previous prime is 423390731. The next prime is 423390769. The reversal of 423390761 is 167093324.

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

It is a cyclic number.

It is not a de Polignac number, because 423390761 - 210 = 423389737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423390769) 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, 26405 + ... + 39293.

It is an arithmetic number, because the mean of its divisors is an integer number (53596620).

Almost surely, 2423390761 is an apocalyptic number.

It is an amenable number.

423390761 is a deficient number, since it is larger than the sum of its proper divisors (5382199).

423390761 is a wasteful number, since it uses less digits than its factorization.

423390761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 423390761 is about 20576.4613332808. The cubic root of 423390761 is about 750.8971551297.

The spelling of 423390761 in words is "four hundred twenty-three million, three hundred ninety thousand, seven hundred sixty-one".

Divisors: 1 107 307 12889 32849 1379123 3956923 423390761