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153008139 = 3261719489
BaseRepresentation
bin10010001111010…
…11100000001011
3101122220121201010
421013223200023
5303132230024
623103255003
73535355604
oct1107534013
9348817633
10153008139
1179407309
12432aa463
132591317b
141646cdab
15d675b29
hex91eb80b

153008139 has 8 divisors (see below), whose sum is σ = 204099280. Its totient is φ = 101961216.

The previous prime is 153008099. The next prime is 153008161. The reversal of 153008139 is 931800351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153008139 - 225 = 119453707 is a prime.

It is a super-2 number, since 2×1530081392 = 46822981200486642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153008939) 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 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (25512410).

Almost surely, 2153008139 is an apocalyptic number.

153008139 is a deficient number, since it is larger than the sum of its proper divisors (51091141).

153008139 is a wasteful number, since it uses less digits than its factorization.

153008139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22109.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 153008139 is about 12369.6458720531. The cubic root of 153008139 is about 534.8576078967.

The spelling of 153008139 in words is "one hundred fifty-three million, eight thousand, one hundred thirty-nine".

Divisors: 1 3 2617 7851 19489 58467 51002713 153008139