Base | Representation |
---|---|
bin | 10001110000101… |
… | …01110100010101 |
3 | 101101100022221212 |
4 | 20320111310111 |
5 | 301120042112 |
6 | 22441151205 |
7 | 3456240614 |
oct | 1070256425 |
9 | 341308855 |
10 | 148987157 |
11 | 77110290 |
12 | 41a8b505 |
13 | 24b35ba7 |
14 | 15b0387b |
15 | d12e522 |
hex | 8e15d15 |
148987157 has 8 divisors (see below), whose sum is σ = 164358720. Its totient is φ = 133920160.
The previous prime is 148987141. The next prime is 148987159. The reversal of 148987157 is 751789841.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 148987157 - 24 = 148987141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148987159) 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, 75113 + ... + 77070.
It is an arithmetic number, because the mean of its divisors is an integer number (20544840).
Almost surely, 2148987157 is an apocalyptic number.
It is an amenable number.
148987157 is a deficient number, since it is larger than the sum of its proper divisors (15371563).
148987157 is a wasteful number, since it uses less digits than its factorization.
148987157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152283.
The product of its digits is 564480, while the sum is 50.
The square root of 148987157 is about 12206.0295346194. The cubic root of 148987157 is about 530.1306868898.
The spelling of 148987157 in words is "one hundred forty-eight million, nine hundred eighty-seven thousand, one hundred fifty-seven".
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