Base | Representation |
---|---|
bin | 101001110001001… |
… | …1101011001010110 |
3 | 10121200020201111111 |
4 | 1103202131121112 |
5 | 10332243322410 |
6 | 351023525234 |
7 | 46505624644 |
oct | 12342353126 |
9 | 3550221444 |
10 | 1401542230 |
11 | 65a152470 |
12 | 33145981a |
13 | 19449b73a |
14 | d41d4194 |
15 | 8309bb8a |
hex | 5389d656 |
1401542230 has 16 divisors (see below), whose sum is σ = 2752119504. Its totient is φ = 509651680.
The previous prime is 1401542173. The next prime is 1401542279. The reversal of 1401542230 is 322451041.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370537 + ... + 6370756.
It is an arithmetic number, because the mean of its divisors is an integer number (172007469).
Almost surely, 21401542230 is an apocalyptic number.
1401542230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1401542230 is a deficient number, since it is larger than the sum of its proper divisors (1350577274).
1401542230 is a wasteful number, since it uses less digits than its factorization.
1401542230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12741311.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1401542230 is about 37437.1771104607. The cubic root of 1401542230 is about 1119.0995712522.
Adding to 1401542230 its reverse (322451041), we get a palindrome (1723993271).
The spelling of 1401542230 in words is "one billion, four hundred one million, five hundred forty-two thousand, two hundred thirty".
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