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8028251234 = 214033286049
BaseRepresentation
bin1110111101000010…
…10110010001100010
3202201111120102022022
413132201112101202
5112420213014414
63404345141442
7402643003163
oct73641262142
922644512268
108028251234
11344a813a83
12168078a882
139ac355123
1456233d76a
1531ec2b18e
hex1de856462

8028251234 has 8 divisors (see below), whose sum is σ = 12043277100. Its totient is φ = 4013825536.

The previous prime is 8028251233. The next prime is 8028251237. The reversal of 8028251234 is 4321528208.

It can be written as a sum of positive squares in 2 ways, for example, as 7987890625 + 40360609 = 89375^2 + 6353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8028251194 and 8028251203.

It is not an unprimeable number, because it can be changed into a prime (8028251233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114959 + ... + 171090.

Almost surely, 28028251234 is an apocalyptic number.

8028251234 is a deficient number, since it is larger than the sum of its proper divisors (4015025866).

8028251234 is a wasteful number, since it uses less digits than its factorization.

8028251234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300084.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8028251234 is about 89600.5091168571. The cubic root of 8028251234 is about 2002.3515036318.

The spelling of 8028251234 in words is "eight billion, twenty-eight million, two hundred fifty-one thousand, two hundred thirty-four".

Divisors: 1 2 14033 28066 286049 572098 4014125617 8028251234