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147970317 = 31137911831
BaseRepresentation
bin10001101000111…
…01100100001101
3101022102200010010
420310131210031
5300340022232
622403303433
73444504225
oct1064354415
9338380103
10147970317
1176586320
124167ab79
132486b101
141591b085
15cecd0cc
hex8d1d90d

147970317 has 16 divisors (see below), whose sum is σ = 215815680. Its totient is φ = 89434800.

The previous prime is 147970301. The next prime is 147970327. The reversal of 147970317 is 713079741.

It is not a de Polignac number, because 147970317 - 24 = 147970301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147970327) 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, 6592 + ... + 18422.

It is an arithmetic number, because the mean of its divisors is an integer number (13488480).

Almost surely, 2147970317 is an apocalyptic number.

It is an amenable number.

147970317 is a deficient number, since it is larger than the sum of its proper divisors (67845363).

147970317 is a wasteful number, since it uses less digits than its factorization.

147970317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 147970317 is about 12164.3050356360. The cubic root of 147970317 is about 528.9218822069.

The spelling of 147970317 in words is "one hundred forty-seven million, nine hundred seventy thousand, three hundred seventeen".

Divisors: 1 3 11 33 379 1137 4169 11831 12507 35493 130141 390423 4483949 13451847 49323439 147970317