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154041147 = 32131316591
BaseRepresentation
bin10010010111001…
…11101100111011
3101201212002201200
421023213230323
5303413304042
623141345243
73550220361
oct1113475473
9351762650
10154041147
1179a52437
1243708223
1325bb5410
141665b631
15d7cbc4c
hex92e7b3b

154041147 has 12 divisors (see below), whose sum is σ = 239619744. Its totient is φ = 94794480.

The previous prime is 154041133. The next prime is 154041157. The reversal of 154041147 is 741140451.

154041147 is a `hidden beast` number, since 1 + 540 + 4 + 114 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2k-154041147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154041147.

It is not an unprimeable number, because it can be changed into a prime (154041157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658179 + ... + 658412.

It is an arithmetic number, because the mean of its divisors is an integer number (19968312).

Almost surely, 2154041147 is an apocalyptic number.

154041147 is a deficient number, since it is larger than the sum of its proper divisors (85578597).

154041147 is a wasteful number, since it uses less digits than its factorization.

154041147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316610 (or 1316607 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 154041147 is about 12411.3313951405. The cubic root of 154041147 is about 536.0585754560.

Adding to 154041147 its reverse (741140451), we get a palindrome (895181598).

The spelling of 154041147 in words is "one hundred fifty-four million, forty-one thousand, one hundred forty-seven".

Divisors: 1 3 9 13 39 117 1316591 3949773 11849319 17115683 51347049 154041147