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102327990 = 2353410933
BaseRepresentation
bin1100001100101…
…10011010110110
321010112210121120
412012112122312
5202143443430
614053124410
72351526222
oct606263266
9233483546
10102327990
1152841596
122a329706
131827a30b
14d839782
158eb4610
hex61966b6

102327990 has 16 divisors (see below), whose sum is σ = 245587248. Its totient is φ = 27287456.

The previous prime is 102327971. The next prime is 102327991. The reversal of 102327990 is 99723201.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102327991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705437 + ... + 1705496.

It is an arithmetic number, because the mean of its divisors is an integer number (15349203).

Almost surely, 2102327990 is an apocalyptic number.

102327990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102327990 is an abundant number, since it is smaller than the sum of its proper divisors (143259258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102327990 is a wasteful number, since it uses less digits than its factorization.

102327990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410943.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 102327990 is about 10115.7298303187. The cubic root of 102327990 is about 467.7331465031.

The spelling of 102327990 in words is "one hundred two million, three hundred twenty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 3410933 6821866 10232799 17054665 20465598 34109330 51163995 102327990