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151290397 is a prime number
BaseRepresentation
bin10010000010010…
…00001000011101
3101112200100102001
421001020020131
5302212243042
623002402301
73514642606
oct1101101035
9345610361
10151290397
1178443795
1242800391
132546135b
1416142dad
15d436bb7
hex904821d

151290397 has 2 divisors, whose sum is σ = 151290398. Its totient is φ = 151290396.

The previous prime is 151290379. The next prime is 151290439. The reversal of 151290397 is 793092151.

Together with previous prime (151290379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108597241 + 42693156 = 10421^2 + 6534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151290397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151290367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75645198 + 75645199.

It is an arithmetic number, because the mean of its divisors is an integer number (75645199).

Almost surely, 2151290397 is an apocalyptic number.

It is an amenable number.

151290397 is a deficient number, since it is larger than the sum of its proper divisors (1).

151290397 is an equidigital number, since it uses as much as digits as its factorization.

151290397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 151290397 is about 12300.0161382008. The cubic root of 151290397 is about 532.8485490188.

The spelling of 151290397 in words is "one hundred fifty-one million, two hundred ninety thousand, three hundred ninety-seven".