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102340399 = 717384509
BaseRepresentation
bin1100001100110…
…01011100101111
321010120102122011
412012121130233
5202144343044
614053302051
72351610340
oct606313457
9233512564
10102340399
115284a947
122a334927
1318282b65
14d8400c7
158eb8134
hex619972f

102340399 has 8 divisors (see below), whose sum is σ = 117637920. Its totient is φ = 87212256.

The previous prime is 102340367. The next prime is 102340417. The reversal of 102340399 is 993043201.

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 102340399 - 25 = 102340367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102340399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340339) 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, 41044 + ... + 43465.

It is an arithmetic number, because the mean of its divisors is an integer number (14704740).

Almost surely, 2102340399 is an apocalyptic number.

102340399 is a deficient number, since it is larger than the sum of its proper divisors (15297521).

102340399 is an equidigital number, since it uses as much as digits as its factorization.

102340399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84689.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 102340399 is about 10116.3431634163. The cubic root of 102340399 is about 467.7520525913.

The spelling of 102340399 in words is "one hundred two million, three hundred forty thousand, three hundred ninety-nine".

Divisors: 1 7 173 1211 84509 591563 14620057 102340399