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151939 is a prime number
BaseRepresentation
bin100101000110000011
321201102101
4211012003
514330224
63131231
71201654
oct450603
9251371
10151939
11a4177
1273b17
1354208
143d52b
1530044
hex25183

151939 has 2 divisors, whose sum is σ = 151940. Its totient is φ = 151938.

The previous prime is 151937. The next prime is 151967. The reversal of 151939 is 939151.

It is an a-pointer prime, because the next prime (151967) can be obtained adding 151939 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151939 - 21 = 151937 is a prime.

Together with 151937, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75969 + 75970.

It is an arithmetic number, because the mean of its divisors is an integer number (75970).

2151939 is an apocalyptic number.

151939 is a deficient number, since it is larger than the sum of its proper divisors (1).

151939 is an equidigital number, since it uses as much as digits as its factorization.

151939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 28.

The square root of 151939 is about 389.7935350926. The cubic root of 151939 is about 53.3608928744.

The spelling of 151939 in words is "one hundred fifty-one thousand, nine hundred thirty-nine".