Search a number
-
+
151008449 is a prime number
BaseRepresentation
bin10010000000000…
…11010011000001
3101112011000122112
421000003103001
5302124232244
622552345105
73512356604
oct1100032301
9345130575
10151008449
1178270979
12426a5195
1325392c17
14160ac33b
15d3cd39e
hex90034c1

151008449 has 2 divisors, whose sum is σ = 151008450. Its totient is φ = 151008448.

The previous prime is 151008443. The next prime is 151008463. The reversal of 151008449 is 944800151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150234049 + 774400 = 12257^2 + 880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151008449 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (151008443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75504224 + 75504225.

It is an arithmetic number, because the mean of its divisors is an integer number (75504225).

Almost surely, 2151008449 is an apocalyptic number.

It is an amenable number.

151008449 is a deficient number, since it is larger than the sum of its proper divisors (1).

151008449 is an equidigital number, since it uses as much as digits as its factorization.

151008449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 151008449 is about 12288.5495075700. The cubic root of 151008449 is about 532.5173338858.

The spelling of 151008449 in words is "one hundred fifty-one million, eight thousand, four hundred forty-nine".