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424512312 = 233713119289
BaseRepresentation
bin11001010011011…
…000101100111000
31002120210110102020
4121103120230320
51332133343222
6110042434440
713343203140
oct3123305470
91076713366
10424512312
111a8698424
12ba202a20
1369c44823
1440545920
152740665c
hex194d8b38

424512312 has 64 divisors (see below), whose sum is σ = 1222214400. Its totient is φ = 120357120.

The previous prime is 424512271. The next prime is 424512317. The reversal of 424512312 is 213215424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424512317) 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, 12364 + ... + 31652.

It is an arithmetic number, because the mean of its divisors is an integer number (19097100).

Almost surely, 2424512312 is an apocalyptic number.

424512312 is a gapful number since it is divisible by the number (42) 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 424512312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611107200).

424512312 is an abundant number, since it is smaller than the sum of its proper divisors (797702088).

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

424512312 is a wasteful number, since it uses less digits than its factorization.

424512312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19436 (or 19432 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 424512312 is about 20603.6965615396. The cubic root of 424512312 is about 751.5596061458.

Adding to 424512312 its reverse (213215424), we get a palindrome (637727736).

The spelling of 424512312 in words is "four hundred twenty-four million, five hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 131 168 262 393 524 786 917 1048 1572 1834 2751 3144 3668 5502 7336 11004 19289 22008 38578 57867 77156 115734 135023 154312 231468 270046 405069 462936 540092 810138 1080184 1620276 2526859 3240552 5053718 7580577 10107436 15161154 17688013 20214872 30322308 35376026 53064039 60644616 70752052 106128078 141504104 212256156 424512312