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159400159 = 209975941
BaseRepresentation
bin10011000000001…
…00000011011111
3102002221100220121
421200010003133
5311301301114
623452255411
73643610332
oct1140040337
9362840817
10159400159
1181a82776
1245471567
1327040729
1417254619
15ded9a24
hex98040df

159400159 has 4 divisors (see below), whose sum is σ = 159478200. Its totient is φ = 159322120.

The previous prime is 159400121. The next prime is 159400201. The reversal of 159400159 is 951004951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159400159 - 217 = 159269087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159400859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35872 + ... + 40069.

It is an arithmetic number, because the mean of its divisors is an integer number (39869550).

Almost surely, 2159400159 is an apocalyptic number.

159400159 is a deficient number, since it is larger than the sum of its proper divisors (78041).

159400159 is an equidigital number, since it uses as much as digits as its factorization.

159400159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78040.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 159400159 is about 12625.3775785123. The cubic root of 159400159 is about 542.2042491688.

The spelling of 159400159 in words is "one hundred fifty-nine million, four hundred thousand, one hundred fifty-nine".

Divisors: 1 2099 75941 159400159