Search a number
-
+
3051405421 is a prime number
BaseRepresentation
bin1011010111100000…
…1100000001101101
321212122202110022121
42311320030001231
522222124433141
61222442112541
7135421342501
oct26570140155
97778673277
103051405421
111326491069
12711aab751
1339824254c
1420d388301
1512cd4a1d1
hexb5e0c06d

3051405421 has 2 divisors, whose sum is σ = 3051405422. Its totient is φ = 3051405420.

The previous prime is 3051405403. The next prime is 3051405439. The reversal of 3051405421 is 1245041503.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3051405403) and next prime (3051405439).

It can be written as a sum of positive squares in only one way, i.e., 2512515625 + 538889796 = 50125^2 + 23214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3051405421 - 213 = 3051397229 is a prime.

It is a super-2 number, since 2×30514054212 = 18622150086616374482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3051405451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525702710 + 1525702711.

It is an arithmetic number, because the mean of its divisors is an integer number (1525702711).

Almost surely, 23051405421 is an apocalyptic number.

It is an amenable number.

3051405421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3051405421 is an equidigital number, since it uses as much as digits as its factorization.

3051405421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3051405421 is about 55239.5277043532. The cubic root of 3051405421 is about 1450.4406779480.

Adding to 3051405421 its reverse (1245041503), we get a palindrome (4296446924).

The spelling of 3051405421 in words is "three billion, fifty-one million, four hundred five thousand, four hundred twenty-one".