Search a number
-
+
151874081 is a prime number
BaseRepresentation
bin10010000110101…
…10101000100001
3101120210000001222
421003112220201
5302334432311
623023104425
73522623402
oct1103265041
9346700058
10151874081
1178802277
1242a42115
1325606c28
14162559a9
15d4eeadb
hex90d6a21

151874081 has 2 divisors, whose sum is σ = 151874082. Its totient is φ = 151874080.

The previous prime is 151874077. The next prime is 151874089. The reversal of 151874081 is 180478151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118048225 + 33825856 = 10865^2 + 5816^2 .

It is a cyclic number.

It is not a de Polignac number, because 151874081 - 22 = 151874077 is a prime.

It is a super-2 number, since 2×1518740812 = 46131472959189122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151874089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75937040 + 75937041.

It is an arithmetic number, because the mean of its divisors is an integer number (75937041).

Almost surely, 2151874081 is an apocalyptic number.

It is an amenable number.

151874081 is a deficient number, since it is larger than the sum of its proper divisors (1).

151874081 is an equidigital number, since it uses as much as digits as its factorization.

151874081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 151874081 is about 12323.7202581039. The cubic root of 151874081 is about 533.5329195281.

The spelling of 151874081 in words is "one hundred fifty-one million, eight hundred seventy-four thousand, eighty-one".