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8355227140 = 22513109294821
BaseRepresentation
bin1111100100000001…
…01010011000000100
3210120021211111221001
413302000222120010
5114102414232030
63501025303044
7414023154541
oct76200523004
923507744831
108355227140
1135a83428a7
121752194a84
13a320095b0
14593935bc8
1533d7b7cca
hex1f202a604

8355227140 has 48 divisors (see below), whose sum is σ = 19069086960. Its totient is φ = 3056693760.

The previous prime is 8355227131. The next prime is 8355227147. The reversal of 8355227140 is 417225538.

It can be written as a sum of positive squares in 8 ways, for example, as 84052224 + 8271174916 = 9168^2 + 90946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8355227140.

It is not an unprimeable number, because it can be changed into a prime (8355227147) 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, 119071 + ... + 175750.

It is an arithmetic number, because the mean of its divisors is an integer number (397272645).

Almost surely, 28355227140 is an apocalyptic number.

It is an amenable number.

8355227140 is an abundant number, since it is smaller than the sum of its proper divisors (10713859820).

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

8355227140 is a wasteful number, since it uses less digits than its factorization.

8355227140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294952 (or 294950 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 8355227140 is about 91406.9315752367. The cubic root of 8355227140 is about 2029.1746132859.

The spelling of 8355227140 in words is "eight billion, three hundred fifty-five million, two hundred twenty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 109 130 218 260 436 545 1090 1417 2180 2834 5668 7085 14170 28340 294821 589642 1179284 1474105 2948210 3832673 5896420 7665346 15330692 19163365 32135489 38326730 64270978 76653460 128541956 160677445 321354890 417761357 642709780 835522714 1671045428 2088806785 4177613570 8355227140