Search a number
-
+
7346240381 is a prime number
BaseRepresentation
bin1101101011101111…
…01011101101111101
3200221222020200022002
412311313223231331
5110021114143011
63212543232045
7350022004304
oct66567535575
920858220262
107346240381
11312a841147
1215102a8625
13900c73acc
144d992943b
152cee0dc3b
hex1b5debb7d

7346240381 has 2 divisors, whose sum is σ = 7346240382. Its totient is φ = 7346240380.

The previous prime is 7346240359. The next prime is 7346240417. The reversal of 7346240381 is 1830426437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4413476356 + 2932764025 = 66434^2 + 54155^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346240381 - 210 = 7346239357 is a prime.

It is a super-2 number, since 2×73462403812 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7346240081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673120190 + 3673120191.

It is an arithmetic number, because the mean of its divisors is an integer number (3673120191).

Almost surely, 27346240381 is an apocalyptic number.

It is an amenable number.

7346240381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346240381 is an equidigital number, since it uses as much as digits as its factorization.

7346240381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 7346240381 is about 85710.2116494878. The cubic root of 7346240381 is about 1943.9647176621.

The spelling of 7346240381 in words is "seven billion, three hundred forty-six million, two hundred forty thousand, three hundred eighty-one".