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149485305 = 359965687
BaseRepresentation
bin10001110100011…
…11011011111001
3101102021122021210
420322033123321
5301232012210
622455553333
73463414134
oct1072173371
9342248253
10149485305
1177420582
124208b849
1324c7b858
1415bd321b
15d1cbe20
hex8e8f6f9

149485305 has 8 divisors (see below), whose sum is σ = 239176512. Its totient is φ = 79725488.

The previous prime is 149485289. The next prime is 149485307. The reversal of 149485305 is 503584941.

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 149485305 - 24 = 149485289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149485307) 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 7 ways as a sum of consecutive naturals, for example, 4982829 + ... + 4982858.

It is an arithmetic number, because the mean of its divisors is an integer number (29897064).

Almost surely, 2149485305 is an apocalyptic number.

149485305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149485305 is a deficient number, since it is larger than the sum of its proper divisors (89691207).

149485305 is an equidigital number, since it uses as much as digits as its factorization.

149485305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965695.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 149485305 is about 12226.4183226323. The cubic root of 149485305 is about 530.7208714524.

The spelling of 149485305 in words is "one hundred forty-nine million, four hundred eighty-five thousand, three hundred five".

Divisors: 1 3 5 15 9965687 29897061 49828435 149485305