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147091049 = 7231994591
BaseRepresentation
bin10001100010001…
…10111001101001
3101020202222222122
420301012321221
5300123403144
622332401025
73434152610
oct1061067151
9336688878
10147091049
1176035756
1241316175
1324620b31
141576c877
15cda77ee
hex8c46e69

147091049 has 16 divisors (see below), whose sum is σ = 176332800. Its totient is φ = 119964240.

The previous prime is 147091033. The next prime is 147091057. The reversal of 147091049 is 940190741.

It is a cyclic number.

It is not a de Polignac number, because 147091049 - 24 = 147091033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147091099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29744 + ... + 34334.

It is an arithmetic number, because the mean of its divisors is an integer number (11020800).

Almost surely, 2147091049 is an apocalyptic number.

It is an amenable number.

147091049 is a deficient number, since it is larger than the sum of its proper divisors (29241751).

147091049 is a wasteful number, since it uses less digits than its factorization.

147091049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 147091049 is about 12128.1098692253. The cubic root of 147091049 is about 527.8721484614.

The spelling of 147091049 in words is "one hundred forty-seven million, ninety-one thousand, forty-nine".

Divisors: 1 7 23 161 199 1393 4577 4591 32039 32137 105593 739151 913609 6395263 21013007 147091049