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3251430890 = 25325143089
BaseRepresentation
bin1100000111001100…
…1110010111101010
322101121010210200022
43001303032113222
523124331242030
61254345240442
7143400464231
oct30163162752
98347123608
103251430890
111419391174
12768a93122
133ca808306
1422bb75b18
151406abde5
hexc1cce5ea

3251430890 has 8 divisors (see below), whose sum is σ = 5852575620. Its totient is φ = 1300572352.

The previous prime is 3251430881. The next prime is 3251430893. The reversal of 3251430890 is 980341523.

It can be written as a sum of positive squares in 2 ways, for example, as 2663901769 + 587529121 = 51613^2 + 24239^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3251430890.

It is not an unprimeable number, because it can be changed into a prime (3251430893) 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, 162571535 + ... + 162571554.

Almost surely, 23251430890 is an apocalyptic number.

3251430890 is a deficient number, since it is larger than the sum of its proper divisors (2601144730).

3251430890 is a wasteful number, since it uses less digits than its factorization.

3251430890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325143096.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3251430890 is about 57021.3196094233. The cubic root of 3251430890 is about 1481.4653872316.

The spelling of 3251430890 in words is "three billion, two hundred fifty-one million, four hundred thirty thousand, eight hundred ninety".

Divisors: 1 2 5 10 325143089 650286178 1625715445 3251430890