Base | Representation |
---|---|
bin | 10001111100010… |
… | …00110010010000 |
3 | 101111012112022000 |
4 | 20332020302100 |
5 | 302012203030 |
6 | 22533514000 |
7 | 3505166604 |
oct | 1076106220 |
9 | 344175260 |
10 | 150506640 |
11 | 77a58959 |
12 | 424a2900 |
13 | 252486ab |
14 | 15dbb504 |
15 | d32e860 |
hex | 8f88c90 |
150506640 has 160 divisors (see below), whose sum is σ = 527644800. Its totient is φ = 39421440.
The previous prime is 150506617. The next prime is 150506647. The reversal of 150506640 is 46605051.
It is a happy number.
150506640 is a `hidden beast` number, since 15 + 0 + 5 + 0 + 6 + 640 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (150506647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126850 + ... + 128030.
It is an arithmetic number, because the mean of its divisors is an integer number (3297780).
Almost surely, 2150506640 is an apocalyptic number.
150506640 is a gapful number since it is divisible by the number (10) 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 150506640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263822400).
150506640 is an abundant number, since it is smaller than the sum of its proper divisors (377138160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150506640 is a wasteful number, since it uses less digits than its factorization.
150506640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1262 (or 1250 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 150506640 is about 12268.1147695968. The cubic root of 150506640 is about 531.9268182827.
The spelling of 150506640 in words is "one hundred fifty million, five hundred six thousand, six hundred forty".
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