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102930939 = 333812257
BaseRepresentation
bin1100010001010…
…01100111111011
321011200102201000
412020221213323
5202322242224
614114100043
72356620126
oct610514773
9234612630
10102930939
11531135a1
122a57a623
131842b8a7
14d9553bd
1590830c9
hex62299fb

102930939 has 8 divisors (see below), whose sum is σ = 152490320. Its totient is φ = 68620608.

The previous prime is 102930853. The next prime is 102930941. The reversal of 102930939 is 939039201.

It is not a de Polignac number, because 102930939 - 212 = 102926843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102930979) 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, 1906102 + ... + 1906155.

It is an arithmetic number, because the mean of its divisors is an integer number (19061290).

Almost surely, 2102930939 is an apocalyptic number.

102930939 is a deficient number, since it is larger than the sum of its proper divisors (49559381).

102930939 is an equidigital number, since it uses as much as digits as its factorization.

102930939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812266 (or 3812260 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 102930939 is about 10145.4886033153. The cubic root of 102930939 is about 468.6500253990.

The spelling of 102930939 in words is "one hundred two million, nine hundred thirty thousand, nine hundred thirty-nine".

Divisors: 1 3 9 27 3812257 11436771 34310313 102930939