Base | Representation |
---|---|
bin | 110101010011… |
… | …010100000100 |
3 | 222021212222220 |
4 | 311103110010 |
5 | 12034111430 |
6 | 1215252340 |
7 | 226523565 |
oct | 65232404 |
9 | 28255886 |
10 | 13972740 |
11 | 7983a21 |
12 | 481a0b0 |
13 | 2b82bc2 |
14 | 1bda16c |
15 | 1360110 |
hex | d53504 |
13972740 has 48 divisors (see below), whose sum is σ = 39372480. Its totient is φ = 3702400.
The previous prime is 13972703. The next prime is 13972741. The reversal of 13972740 is 4727931.
It is not an unprimeable number, because it can be changed into a prime (13972741) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10090 + ... + 11390.
It is an arithmetic number, because the mean of its divisors is an integer number (820260).
Almost surely, 213972740 is an apocalyptic number.
13972740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13972740 is an abundant number, since it is smaller than the sum of its proper divisors (25399740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13972740 is a wasteful number, since it uses less digits than its factorization.
13972740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 13972740 is about 3738.0128410694. The cubic root of 13972740 is about 240.8576950674.
The spelling of 13972740 in words is "thirteen million, nine hundred seventy-two thousand, seven hundred forty".
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