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423347895 = 325372511013
BaseRepresentation
bin11001001110111…
…100011010110111
31002111121022010200
4121032330122313
51331334113040
6110001451543
713330253265
oct3116743267
91074538120
10423347895
111a7a725a3
12b9940bb3
1369927819
1440321435
1527276630
hex193bc6b7

423347895 has 48 divisors (see below), whose sum is σ = 757384992. Its totient is φ = 218592000.

The previous prime is 423347893. The next prime is 423347921. The reversal of 423347895 is 598743324.

It is not a de Polignac number, because 423347895 - 21 = 423347893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 423347895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423347893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417409 + ... + 418421.

It is an arithmetic number, because the mean of its divisors is an integer number (15778854).

Almost surely, 2423347895 is an apocalyptic number.

423347895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423347895 is a deficient number, since it is larger than the sum of its proper divisors (334037097).

423347895 is a wasteful number, since it uses less digits than its factorization.

423347895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1309 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 423347895 is about 20575.4196798024. The cubic root of 423347895 is about 750.8718128638.

The spelling of 423347895 in words is "four hundred twenty-three million, three hundred forty-seven thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 15 37 45 111 185 251 333 555 753 1013 1255 1665 2259 3039 3765 5065 9117 9287 11295 15195 27861 37481 45585 46435 83583 112443 139305 187405 254263 337329 417915 562215 762789 1271315 1686645 2288367 3813945 9407731 11441835 28223193 47038655 84669579 141115965 423347895