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3025000007 = 3697818231
BaseRepresentation
bin1011010001001101…
…1101011001000111
321210211001220220022
42310103131121013
522143400000012
61220100125355
7134651035001
oct26423353107
97724056808
103025000007
111312596307
1270509685b
13392928743
14209a73371
1512a881472
hexb44dd647

3025000007 has 4 divisors (see below), whose sum is σ = 3025821936. Its totient is φ = 3024178080.

The previous prime is 3024999983. The next prime is 3025000019. The reversal of 3025000007 is 7000005203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000005203 = 66110590023.

It is a cyclic number.

It is not a de Polignac number, because 3025000007 - 220 = 3023951431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3025000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405419 + ... + 412812.

It is an arithmetic number, because the mean of its divisors is an integer number (756455484).

Almost surely, 23025000007 is an apocalyptic number.

3025000007 is a deficient number, since it is larger than the sum of its proper divisors (821929).

3025000007 is an equidigital number, since it uses as much as digits as its factorization.

3025000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821928.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 3025000007 is about 55000.0000636364. Note that the first 4 decimals coincide. The cubic root of 3025000007 is about 1446.2447429967.

The spelling of 3025000007 in words is "three billion, twenty-five million, seven", and thus it is an aban number and an uban number.

Divisors: 1 3697 818231 3025000007