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4821021352 = 2372314925121
BaseRepresentation
bin1000111110101101…
…01111001010101000
3110102222121021000101
410133112233022220
534333140140402
62114215115144
7230320001560
oct43726571250
913388537011
104821021352
112054382774
12b26672ab4
135baa54874
1433a3d1da0
151d33a0b87
hex11f5af2a8

4821021352 has 64 divisors (see below), whose sum is σ = 10852704000. Its totient is φ = 1962977280.

The previous prime is 4821021349. The next prime is 4821021353. The reversal of 4821021352 is 2531201284.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4821021352.

It is not an unprimeable number, because it can be changed into a prime (4821021353) 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, 179352 + ... + 204472.

It is an arithmetic number, because the mean of its divisors is an integer number (169573500).

Almost surely, 24821021352 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 4821021352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5426352000).

4821021352 is an abundant number, since it is smaller than the sum of its proper divisors (6031682648).

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

4821021352 is a wasteful number, since it uses less digits than its factorization.

4821021352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25306 (or 25302 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4821021352 is about 69433.5751059961. The cubic root of 4821021352 is about 1689.3242576948.

The spelling of 4821021352 in words is "four billion, eight hundred twenty-one million, twenty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 149 161 184 298 322 596 644 1043 1192 1288 2086 3427 4172 6854 8344 13708 23989 25121 27416 47978 50242 95956 100484 175847 191912 200968 351694 577783 703388 1155566 1406776 2311132 3743029 4044481 4622264 7486058 8088962 14972116 16177924 26201203 29944232 32355848 52402406 86089667 104804812 172179334 209609624 344358668 602627669 688717336 1205255338 2410510676 4821021352