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42404006460 = 22354117237401
BaseRepresentation
bin100111011111011110…
…011100101000111100
311001110012121201101210
4213133132130220330
51143320411201320
631251413004420
73030545051664
oct473736345074
9131405551353
1042404006460
1116a8aa57742
128275023710
133cca1419aa
1420a39911a4
151182aa00e0
hex9df79ca3c

42404006460 has 48 divisors (see below), whose sum is σ = 121627108512. Its totient is φ = 11031936000.

The previous prime is 42404006443. The next prime is 42404006461. The reversal of 42404006460 is 6460040424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404006461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8616241 + ... + 8621160.

It is an arithmetic number, because the mean of its divisors is an integer number (2533898094).

Almost surely, 242404006460 is an apocalyptic number.

It is an amenable number.

42404006460 is an abundant number, since it is smaller than the sum of its proper divisors (79223102052).

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

42404006460 is a wasteful number, since it uses less digits than its factorization.

42404006460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17237454 (or 17237452 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 42404006460 its reverse (6460040424), we get a palindrome (48864046884).

The spelling of 42404006460 in words is "forty-two billion, four hundred four million, six thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 17237401 34474802 51712203 68949604 86187005 103424406 172374010 206848812 258561015 344748020 517122030 706733441 1034244060 1413466882 2120200323 2826933764 3533667205 4240400646 7067334410 8480801292 10601001615 14134668820 21202003230 42404006460