| Base | Representation |
|---|---|
| bin | 10001110010001… |
| … | …10101001111000 |
| 3 | 101101201111100120 |
| 4 | 20321012221320 |
| 5 | 301142442232 |
| 6 | 22445333240 |
| 7 | 3461033040 |
| oct | 1071065170 |
| 9 | 341644316 |
| 10 | 149187192 |
| 11 | 77237600 |
| 12 | 41b67220 |
| 13 | 24ba5c5b |
| 14 | 15b56720 |
| 15 | d16d92c |
| hex | 8e46a78 |
149187192 has 192 divisors, whose sum is σ = 482630400. Its totient is φ = 37593600.
The previous prime is 149187179. The next prime is 149187197. The reversal of 149187192 is 291781941.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149187197) 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 47 ways as a sum of consecutive naturals, for example, 833359 + ... + 833537.
It is an arithmetic number, because the mean of its divisors is an integer number (2513700).
Almost surely, 2149187192 is an apocalyptic number.
149187192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149187192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241315200).
149187192 is an abundant number, since it is smaller than the sum of its proper divisors (333443208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149187192 is a wasteful number, since it uses less digits than its factorization.
149187192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258 (or 243 counting only the distinct ones).
The product of its digits is 36288, while the sum is 42.
The square root of 149187192 is about 12214.2208920586. The cubic root of 149187192 is about 530.3678376836.
It can be divided in two parts, 149187 and 192, that multiplied together give a square (28643904 = 53522).
The spelling of 149187192 in words is "one hundred forty-nine million, one hundred eighty-seven thousand, one hundred ninety-two".
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