Base | Representation |
---|---|
bin | 10001101010010… |
… | …10111000000000 |
3 | 101022210002200201 |
4 | 20311022320000 |
5 | 300411442104 |
6 | 22411254544 |
7 | 3446206261 |
oct | 1065127000 |
9 | 338702621 |
10 | 148155904 |
11 | 766a27a6 |
12 | 4174a454 |
13 | 24904720 |
14 | 15968968 |
15 | d0180a4 |
hex | 8d4ae00 |
148155904 has 40 divisors (see below), whose sum is σ = 318807720. Its totient is φ = 68376576.
The previous prime is 148155893. The next prime is 148155907. The reversal of 148155904 is 409551841.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148155907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4474 + ... + 17785.
It is an arithmetic number, because the mean of its divisors is an integer number (7970193).
Almost surely, 2148155904 is an apocalyptic number.
It is an amenable number.
148155904 is an abundant number, since it is smaller than the sum of its proper divisors (170651816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148155904 is an equidigital number, since it uses as much as digits as its factorization.
148155904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22290 (or 22274 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 37.
The square root of 148155904 is about 12171.9309889598. The cubic root of 148155904 is about 529.1429175638.
The spelling of 148155904 in words is "one hundred forty-eight million, one hundred fifty-five thousand, nine hundred four".
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