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4920657480 = 23325174717107
BaseRepresentation
bin1001001010100101…
…10100011001001000
3110200221002022002100
410211102310121020
540034142014410
62132134433400
7232636620114
oct44522643110
913627068070
104920657480
1120a5645882
12b53b02860
1360559b85b
1434972a744
151dbed28c0
hex1254b4648

4920657480 has 192 divisors, whose sum is σ = 17294135040. Its totient is φ = 1208641536.

The previous prime is 4920657457. The next prime is 4920657509. The reversal of 4920657480 is 847560294.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279087 + ... + 296193.

It is an arithmetic number, because the mean of its divisors is an integer number (90073620).

Almost surely, 24920657480 is an apocalyptic number.

4920657480 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 4920657480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8647067520).

4920657480 is an abundant number, since it is smaller than the sum of its proper divisors (12373477560).

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

4920657480 is a wasteful number, since it uses less digits than its factorization.

4920657480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188 (or 17181 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 4920657480 is about 70147.3982411322. The cubic root of 4920657480 is about 1700.8827572185.

The spelling of 4920657480 in words is "four billion, nine hundred twenty million, six hundred fifty-seven thousand, four hundred eighty".