Base | Representation |
---|---|
bin | 10001010010010… |
… | …11110000110010 |
3 | 101002212110112212 |
4 | 20221023300302 |
5 | 244110420220 |
6 | 22220052122 |
7 | 3410411534 |
oct | 1051136062 |
9 | 332773485 |
10 | 145013810 |
11 | 74947027 |
12 | 40694042 |
13 | 240744b6 |
14 | 1538b854 |
15 | cae70c5 |
hex | 8a4bc32 |
145013810 has 8 divisors (see below), whose sum is σ = 261024876. Its totient is φ = 58005520.
The previous prime is 145013801. The next prime is 145013819. The reversal of 145013810 is 18310541.
It is an interprime number because it is at equal distance from previous prime (145013801) and next prime (145013819).
It can be written as a sum of positive squares in 2 ways, for example, as 144696841 + 316969 = 12029^2 + 563^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1450138102 = 42058010181432200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145013819) 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, 7250681 + ... + 7250700.
Almost surely, 2145013810 is an apocalyptic number.
145013810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145013810 is a deficient number, since it is larger than the sum of its proper divisors (116011066).
145013810 is a wasteful number, since it uses less digits than its factorization.
145013810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14501388.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 145013810 is about 12042.1679941778. The cubic root of 145013810 is about 525.3754653517.
The spelling of 145013810 in words is "one hundred forty-five million, thirteen thousand, eight hundred ten".
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