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141228691 = 1968310883
BaseRepresentation
bin10000110101011…
…11101010010011
3100211202011100021
420122233222103
5242123304231
622003004311
73333265312
oct1032575223
9324664307
10141228691
11727a122a
123b369697
132334a696
1414a84279
15c5ea811
hex86afa93

141228691 has 8 divisors (see below), whose sum is σ = 148893120. Its totient is φ = 133587432.

The previous prime is 141228683. The next prime is 141228701. The reversal of 141228691 is 196822141.

It is a happy number.

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 141228691 - 23 = 141228683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141228601) 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, 7536 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (18611640).

Almost surely, 2141228691 is an apocalyptic number.

141228691 is a deficient number, since it is larger than the sum of its proper divisors (7664429).

141228691 is a wasteful number, since it uses less digits than its factorization.

141228691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585.

The product of its digits is 6912, while the sum is 34.

The square root of 141228691 is about 11883.9678138238. The cubic root of 141228691 is about 520.7640285014.

It can be divided in two parts, 1412 and 28691, that added together give a palindrome (30103).

The spelling of 141228691 in words is "one hundred forty-one million, two hundred twenty-eight thousand, six hundred ninety-one".

Divisors: 1 19 683 10883 12977 206777 7433089 141228691