Base | Representation |
---|---|
bin | 101011011001111… |
… | …010011111110111 |
3 | 1212202021002010012 |
4 | 223121322133313 |
5 | 2442410312440 |
6 | 200132050435 |
7 | 24021466262 |
oct | 5331723767 |
9 | 1782232105 |
10 | 728213495 |
11 | 34406a639 |
12 | 183a63a1b |
13 | b7b3a179 |
14 | 6c9ddcd9 |
15 | 43de6e65 |
hex | 2b67a7f7 |
728213495 has 8 divisors (see below), whose sum is σ = 876201216. Its totient is φ = 581007456.
The previous prime is 728213489. The next prime is 728213501. The reversal of 728213495 is 594312827.
It is an interprime number because it is at equal distance from previous prime (728213489) and next prime (728213501).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 728213495 - 224 = 711436279 is a prime.
It is a Duffinian number.
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, 193367 + ... + 197096.
It is an arithmetic number, because the mean of its divisors is an integer number (109525152).
Almost surely, 2728213495 is an apocalyptic number.
728213495 is a deficient number, since it is larger than the sum of its proper divisors (147987721).
728213495 is a wasteful number, since it uses less digits than its factorization.
728213495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390841.
The product of its digits is 120960, while the sum is 41.
The square root of 728213495 is about 26985.4311620178. The cubic root of 728213495 is about 899.6762189225.
The spelling of 728213495 in words is "seven hundred twenty-eight million, two hundred thirteen thousand, four hundred ninety-five".
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