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151348649 is a prime number
BaseRepresentation
bin10010000010101…
…10010110101001
3101112210022022112
421001112112221
5302221124044
623003532105
73515304464
oct1101262651
9345708275
10151348649
1178483531
124282a035
1325481a1a
141615a2db
15d44909e
hex90565a9

151348649 has 2 divisors, whose sum is σ = 151348650. Its totient is φ = 151348648.

The previous prime is 151348633. The next prime is 151348657. The reversal of 151348649 is 946843151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118113424 + 33235225 = 10868^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 151348649 - 24 = 151348633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151348609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75674324 + 75674325.

It is an arithmetic number, because the mean of its divisors is an integer number (75674325).

Almost surely, 2151348649 is an apocalyptic number.

It is an amenable number.

151348649 is a deficient number, since it is larger than the sum of its proper divisors (1).

151348649 is an equidigital number, since it uses as much as digits as its factorization.

151348649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 151348649 is about 12302.3838746805. The cubic root of 151348649 is about 532.9169285753.

The spelling of 151348649 in words is "one hundred fifty-one million, three hundred forty-eight thousand, six hundred forty-nine".