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423130680 = 233257217283
BaseRepresentation
bin11001001110000…
…111011000111000
31002111012021011200
4121032013120320
51331310140210
6105553054200
713325360100
oct3116073070
91074167150
10423130680
111a7934385
12b9857360
136987c9ab
14402a6200
15272320c0
hex19387638

423130680 has 432 divisors, whose sum is σ = 1719801720. Its totient is φ = 89929728.

The previous prime is 423130667. The next prime is 423130693. The reversal of 423130680 is 86031324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423130667) and next prime (423130693).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 5097919 + ... + 5098001.

Almost surely, 2423130680 is an apocalyptic number.

423130680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423130680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859900860).

423130680 is an abundant number, since it is smaller than the sum of its proper divisors (1296671040).

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

423130680 is a wasteful number, since it uses less digits than its factorization.

423130680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 423130680 is about 20570.1404953880. The cubic root of 423130680 is about 750.7433696254.

The spelling of 423130680 in words is "four hundred twenty-three million, one hundred thirty thousand, six hundred eighty".