Base | Representation |
---|---|
bin | 1100010000001… |
… | …11100100111000 |
3 | 21011102100101212 |
4 | 12020013210320 |
5 | 202303311410 |
6 | 14111102252 |
7 | 2355466421 |
oct | 610074470 |
9 | 234370355 |
10 | 102791480 |
11 | 53028840 |
12 | 2a511988 |
13 | 183b027c |
14 | d91a648 |
15 | 9056b05 |
hex | 6207938 |
102791480 has 32 divisors (see below), whose sum is σ = 252307440. Its totient is φ = 37378560.
The previous prime is 102791477. The next prime is 102791483. The reversal of 102791480 is 84197201.
It is an interprime number because it is at equal distance from previous prime (102791477) and next prime (102791483).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102791483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116369 + ... + 117248.
Almost surely, 2102791480 is an apocalyptic number.
102791480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102791480 is an abundant number, since it is smaller than the sum of its proper divisors (149515960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102791480 is a wasteful number, since it uses less digits than its factorization.
102791480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233639 (or 233635 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 102791480 is about 10138.6133174118. The cubic root of 102791480 is about 468.4382749965.
The spelling of 102791480 in words is "one hundred two million, seven hundred ninety-one thousand, four hundred eighty".
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