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420668088 = 233155911243
BaseRepresentation
bin11001000100101…
…110001010111000
31002022120011010120
4121010232022320
51330142334323
6105424213240
713265422401
oct3104561270
91068504116
10420668088
111a6502185
12b8a6a220
13691c9b39
143dc249a8
1526de75e3
hex1912e2b8

420668088 has 32 divisors (see below), whose sum is σ = 1052438400. Its totient is φ = 140120288.

The previous prime is 420668081. The next prime is 420668093. The reversal of 420668088 is 880866024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420668081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31795 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (32888700).

Almost surely, 2420668088 is an apocalyptic number.

It is an amenable number.

420668088 is an abundant number, since it is smaller than the sum of its proper divisors (631770312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420668088 is a wasteful number, since it uses less digits than its factorization.

420668088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811 (or 12807 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 420668088 is about 20510.1947333515. The cubic root of 420668088 is about 749.2841097746.

The spelling of 420668088 in words is "four hundred twenty million, six hundred sixty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 1559 3118 4677 6236 9354 11243 12472 18708 22486 33729 37416 44972 67458 89944 134916 269832 17527837 35055674 52583511 70111348 105167022 140222696 210334044 420668088