Base | Representation |
---|---|
bin | 10001110000100… |
… | …10100110011100 |
3 | 101101022122212211 |
4 | 20320102212130 |
5 | 301114131410 |
6 | 22441010204 |
7 | 3456154321 |
oct | 1070224634 |
9 | 341278784 |
10 | 148973980 |
11 | 771013a1 |
12 | 41a83964 |
13 | 24b2cbac |
14 | 15adcb48 |
15 | d12a68a |
hex | 8e1299c |
148973980 has 12 divisors (see below), whose sum is σ = 312845400. Its totient is φ = 59589584.
The previous prime is 148973977. The next prime is 148973989. The reversal of 148973980 is 89379841.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148973989) 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, 3724330 + ... + 3724369.
It is an arithmetic number, because the mean of its divisors is an integer number (26070450).
Almost surely, 2148973980 is an apocalyptic number.
148973980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148973980 is an abundant number, since it is smaller than the sum of its proper divisors (163871420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148973980 is a wasteful number, since it uses less digits than its factorization.
148973980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7448708 (or 7448706 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 49.
The square root of 148973980 is about 12205.4897484697. The cubic root of 148973980 is about 530.1150574934.
The spelling of 148973980 in words is "one hundred forty-eight million, nine hundred seventy-three thousand, nine hundred eighty".
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