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67434848 = 2513473449
BaseRepresentation
bin1000000010011…
…11100101100000
311200220001012222
410001033211200
5114230403343
610405210212
71446121025
oct401174540
9150801188
1067434848
1135079888
121a700968
1310c810a0
148d5554c
155dc0a68
hex404f960

67434848 has 48 divisors (see below), whose sum is σ = 146059200. Its totient is φ = 30452736.

The previous prime is 67434847. The next prime is 67434853. The reversal of 67434848 is 84843476.

It is a junction number, because it is equal to n+sod(n) for n = 67434799 and 67434808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67434847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17828 + ... + 21276.

It is an arithmetic number, because the mean of its divisors is an integer number (3042900).

Almost surely, 267434848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67434848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73029600).

67434848 is an abundant number, since it is smaller than the sum of its proper divisors (78624352).

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

67434848 is a wasteful number, since it uses less digits than its factorization.

67434848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3511 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 67434848 is about 8211.8723808885. The cubic root of 67434848 is about 407.0316005141.

The spelling of 67434848 in words is "sixty-seven million, four hundred thirty-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 47 52 94 104 188 208 376 416 611 752 1222 1504 2444 3449 4888 6898 9776 13796 19552 27592 44837 55184 89674 110368 162103 179348 324206 358696 648412 717392 1296824 1434784 2107339 2593648 4214678 5187296 8429356 16858712 33717424 67434848