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102080390 = 2510208039
BaseRepresentation
bin1100001010110…
…01111110000110
321010002012222012
412011121332012
5202113033030
614043534222
72346445316
oct605317606
9233065865
10102080390
1152692565
122a22a372
13181c16c9
14d7b3446
158e66095
hex6159f86

102080390 has 8 divisors (see below), whose sum is σ = 183744720. Its totient is φ = 40832152.

The previous prime is 102080387. The next prime is 102080399. The reversal of 102080390 is 93080201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102080399) 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, 5104010 + ... + 5104029.

It is an arithmetic number, because the mean of its divisors is an integer number (22968090).

Almost surely, 2102080390 is an apocalyptic number.

102080390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102080390 is a deficient number, since it is larger than the sum of its proper divisors (81664330).

102080390 is a wasteful number, since it uses less digits than its factorization.

102080390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208046.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 102080390 is about 10103.4840525435. The cubic root of 102080390 is about 467.3555884802.

The spelling of 102080390 in words is "one hundred two million, eighty thousand, three hundred ninety".

Divisors: 1 2 5 10 10208039 20416078 51040195 102080390