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150280931 is a prime number
BaseRepresentation
bin10001111010100…
…01101011100011
3101110210001200102
420331101223203
5301432442211
622525013015
73503236553
oct1075215343
9343701612
10150280931
1177914319
12423b416b
1325199a38
1415d5d163
15d2d7a3b
hex8f51ae3

150280931 has 2 divisors, whose sum is σ = 150280932. Its totient is φ = 150280930.

The previous prime is 150280913. The next prime is 150280957. The reversal of 150280931 is 139082051.

Together with previous prime (150280913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (139082051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150280931 is a prime.

It is a super-2 number, since 2×1502809312 = 45168716444453522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150280894 and 150280903.

It is not a weakly prime, because it can be changed into another prime (150280331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75140465 + 75140466.

It is an arithmetic number, because the mean of its divisors is an integer number (75140466).

Almost surely, 2150280931 is an apocalyptic number.

150280931 is a deficient number, since it is larger than the sum of its proper divisors (1).

150280931 is an equidigital number, since it uses as much as digits as its factorization.

150280931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 150280931 is about 12258.9123090101. The cubic root of 150280931 is about 531.6607818760.

The spelling of 150280931 in words is "one hundred fifty million, two hundred eighty thousand, nine hundred thirty-one".