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147331361 = 5314811877
BaseRepresentation
bin10001100100000…
…01100100100001
3101021020012122002
420302001210201
5300204100421
622341453345
73436203332
oct1062014441
9337205562
10147331361
117618a261
1241411255
13246a6328
14157d2289
15ce03b0b
hex8c81921

147331361 has 8 divisors (see below), whose sum is σ = 150292584. Its totient is φ = 144376960.

The previous prime is 147331357. The next prime is 147331363. The reversal of 147331361 is 163133741.

It can be written as a sum of positive squares in 4 ways, for example, as 38254225 + 109077136 = 6185^2 + 10444^2 .

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 147331361 - 22 = 147331357 is a prime.

It is a super-2 number, since 2×1473313612 = 43413059868224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147331363) 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, 77555 + ... + 79431.

It is an arithmetic number, because the mean of its divisors is an integer number (18786573).

Almost surely, 2147331361 is an apocalyptic number.

It is an amenable number.

147331361 is a deficient number, since it is larger than the sum of its proper divisors (2961223).

147331361 is a wasteful number, since it uses less digits than its factorization.

147331361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411.

The product of its digits is 4536, while the sum is 29.

The square root of 147331361 is about 12138.0130581574. The cubic root of 147331361 is about 528.1594648143.

The spelling of 147331361 in words is "one hundred forty-seven million, three hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 53 1481 1877 78493 99481 2779837 147331361