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149434283 = 439340397
BaseRepresentation
bin10001110100000…
…10111110101011
3101102012001022002
420322002332223
5301223344113
622454521215
73463112315
oct1072027653
9342161262
10149434283
1177396209
124206620b
1324c6156b
1415bbc7b5
15d1bbc58
hex8e82fab

149434283 has 4 divisors (see below), whose sum is σ = 149775120. Its totient is φ = 149093448.

The previous prime is 149434277. The next prime is 149434343. The reversal of 149434283 is 382434941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149434283 - 28 = 149434027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149436283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169760 + ... + 170637.

It is an arithmetic number, because the mean of its divisors is an integer number (37443780).

Almost surely, 2149434283 is an apocalyptic number.

149434283 is a deficient number, since it is larger than the sum of its proper divisors (340837).

149434283 is an equidigital number, since it uses as much as digits as its factorization.

149434283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340836.

The product of its digits is 82944, while the sum is 38.

The square root of 149434283 is about 12224.3315972694. The cubic root of 149434283 is about 530.6604830825.

The spelling of 149434283 in words is "one hundred forty-nine million, four hundred thirty-four thousand, two hundred eighty-three".

Divisors: 1 439 340397 149434283