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121000238 = 2292086211
BaseRepresentation
bin1110011011001…
…01000100101110
322102200110010022
413031211010232
5221434001423
620001242142
72666325242
oct715450456
9272613108
10121000238
11623352a7
1234633352
131c0b7298
14120da422
15a951dc8
hex736512e

121000238 has 8 divisors (see below), whose sum is σ = 187759080. Its totient is φ = 58413880.

The previous prime is 121000213. The next prime is 121000261. The reversal of 121000238 is 832000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043048 + ... + 1043163.

It is an arithmetic number, because the mean of its divisors is an integer number (23469885).

Almost surely, 2121000238 is an apocalyptic number.

121000238 is a deficient number, since it is larger than the sum of its proper divisors (66758842).

121000238 is a wasteful number, since it uses less digits than its factorization.

121000238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086242.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121000238 is about 11000.0108181765. The cubic root of 121000238 is about 494.6090686136.

Adding to 121000238 its reverse (832000121), we get a palindrome (953000359).

The spelling of 121000238 in words is "one hundred twenty-one million, two hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 29 58 2086211 4172422 60500119 121000238