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8254910420 = 225412745521
BaseRepresentation
bin1111011000000011…
…11110111111010100
3210022022001220020222
413230001332333110
5113401224113140
63443043213512
7411364403141
oct75401767724
923268056228
108254910420
113556755419
121724677298
13a172b48a3
145844a13c8
15334a9e5b5
hex1ec07efd4

8254910420 has 12 divisors (see below), whose sum is σ = 17335311924. Its totient is φ = 3301964160.

The previous prime is 8254910401. The next prime is 8254910437. The reversal of 8254910420 is 240194528.

It can be written as a sum of positive squares in 2 ways, for example, as 3434663236 + 4820247184 = 58606^2 + 69428^2 .

It is a super-3 number, since 3×82549104203 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206372741 + ... + 206372780.

It is an arithmetic number, because the mean of its divisors is an integer number (1444609327).

Almost surely, 28254910420 is an apocalyptic number.

It is an amenable number.

8254910420 is an abundant number, since it is smaller than the sum of its proper divisors (9080401504).

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

8254910420 is a wasteful number, since it uses less digits than its factorization.

8254910420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412745530 (or 412745528 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 8254910420 is about 90856.5375743540. The cubic root of 8254910420 is about 2021.0208234428.

The spelling of 8254910420 in words is "eight billion, two hundred fifty-four million, nine hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 412745521 825491042 1650982084 2063727605 4127455210 8254910420