Base | Representation |
---|---|
bin | 10001101010010… |
… | …10000110010000 |
3 | 101022202221022210 |
4 | 20311022012100 |
5 | 300411341340 |
6 | 22411232120 |
7 | 3446164062 |
oct | 1065120620 |
9 | 338687283 |
10 | 148152720 |
11 | 766a0371 |
12 | 41748640 |
13 | 24903141 |
14 | 15967732 |
15 | d017180 |
hex | 8d4a190 |
148152720 has 80 divisors (see below), whose sum is σ = 474112512. Its totient is φ = 38231040.
The previous prime is 148152703. The next prime is 148152731. The reversal of 148152720 is 27251841.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517 + ... + 17396.
Almost surely, 2148152720 is an apocalyptic number.
148152720 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 148152720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237056256).
148152720 is an abundant number, since it is smaller than the sum of its proper divisors (325959792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148152720 is a wasteful number, since it uses less digits than its factorization.
148152720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19960 (or 19954 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 148152720 is about 12171.8001955339. The cubic root of 148152720 is about 529.1391269552.
The spelling of 148152720 in words is "one hundred forty-eight million, one hundred fifty-two thousand, seven hundred twenty".
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