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4285394520 = 23351119241709
BaseRepresentation
bin1111111101101101…
…1110111001011000
3102001122201121010120
43333123132321120
532234030111040
61545122513240
7211124152401
oct37733367130
912048647116
104285394520
1118a9aa2370
129b7205820
13533aa7604
142c92049a8
151a134b7d0
hexff6dee58

4285394520 has 256 divisors, whose sum is σ = 14845248000. Its totient is φ = 978739200.

The previous prime is 4285394489. The next prime is 4285394537. The reversal of 4285394520 is 254935824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6043926 + ... + 6044634.

It is an arithmetic number, because the mean of its divisors is an integer number (57989250).

Almost surely, 24285394520 is an apocalyptic number.

4285394520 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 4285394520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7422624000).

4285394520 is an abundant number, since it is smaller than the sum of its proper divisors (10559853480).

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

4285394520 is a wasteful number, since it uses less digits than its factorization.

4285394520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 4285394520 is about 65462.9247742568. The cubic root of 4285394520 is about 1624.2901224417.

The spelling of 4285394520 in words is "four billion, two hundred eighty-five million, three hundred ninety-four thousand, five hundred twenty".