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149215355 = 5199914929
BaseRepresentation
bin10001110010011…
…01100001111011
3101101202220222122
420321031201323
5301144342410
622450111455
73461211122
oct1071154173
9341686878
10149215355
1177256783
1241b7b58b
1324bb5a13
1415b62ab9
15d176e55
hex8e4d87b

149215355 has 8 divisors (see below), whose sum is σ = 179160000. Its totient is φ = 119304576.

The previous prime is 149215351. The next prime is 149215357. The reversal of 149215355 is 553512941.

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 149215355 - 22 = 149215351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149215351) 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, 2531 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (22395000).

Almost surely, 2149215355 is an apocalyptic number.

149215355 is a deficient number, since it is larger than the sum of its proper divisors (29944645).

149215355 is a wasteful number, since it uses less digits than its factorization.

149215355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16933.

The product of its digits is 27000, while the sum is 35.

The square root of 149215355 is about 12215.3737151182. The cubic root of 149215355 is about 530.4012092025.

The spelling of 149215355 in words is "one hundred forty-nine million, two hundred fifteen thousand, three hundred fifty-five".

Divisors: 1 5 1999 9995 14929 74645 29843071 149215355