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159400117 = 792017723
BaseRepresentation
bin10011000000001…
…00000010110101
3102002221100212001
421200010002311
5311301300432
623452255301
73643610242
oct1140040265
9362840761
10159400117
1181a82738
1245471531
13270406c6
14172545c9
15ded99e7
hex98040b5

159400117 has 4 divisors (see below), whose sum is σ = 161417920. Its totient is φ = 157382316.

The previous prime is 159400103. The next prime is 159400121. The reversal of 159400117 is 711004951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159400117 - 215 = 159367349 is a prime.

It is a super-2 number, since 2×1594001172 = 50816794599227378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159400217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008783 + ... + 1008940.

It is an arithmetic number, because the mean of its divisors is an integer number (40354480).

Almost surely, 2159400117 is an apocalyptic number.

It is an amenable number.

159400117 is a deficient number, since it is larger than the sum of its proper divisors (2017803).

159400117 is an equidigital number, since it uses as much as digits as its factorization.

159400117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017802.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 159400117 is about 12625.3759151956. The cubic root of 159400117 is about 542.2042015474.

The spelling of 159400117 in words is "one hundred fifty-nine million, four hundred thousand, one hundred seventeen".

Divisors: 1 79 2017723 159400117