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193230939 = 3115855483
BaseRepresentation
bin10111000010001…
…11100001011011
3111110121011000110
423201013201123
5343431342224
631101335403
74534302336
oct1341074133
9443534013
10193230939
119a08a2a0
1254867563
1331057245
141b93d61d
1511e6d929
hexb84785b

193230939 has 8 divisors (see below), whose sum is σ = 281063232. Its totient is φ = 117109640.

The previous prime is 193230911. The next prime is 193230941. The reversal of 193230939 is 939032391.

193230939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 193230939 - 212 = 193226843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193230897 and 193230906.

It is not an unprimeable number, because it can be changed into a prime (193230139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927709 + ... + 2927774.

It is an arithmetic number, because the mean of its divisors is an integer number (35132904).

Almost surely, 2193230939 is an apocalyptic number.

193230939 is a deficient number, since it is larger than the sum of its proper divisors (87832293).

193230939 is a wasteful number, since it uses less digits than its factorization.

193230939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855497.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 193230939 is about 13900.7531810330. The cubic root of 193230939 is about 578.1300647582.

It can be divided in two parts, 193 and 230939, that added together give a palindrome (231132).

The spelling of 193230939 in words is "one hundred ninety-three million, two hundred thirty thousand, nine hundred thirty-nine".

Divisors: 1 3 11 33 5855483 17566449 64410313 193230939