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102646030 = 2573140611
BaseRepresentation
bin1100001111001…
…00000100001110
321011010221212211
412013210010032
5202234133110
614104021034
72354322364
oct607440416
9234127784
10102646030
1152a39533
122a46177a
131835bcc6
14d8bd634
15902898a
hex61e410e

102646030 has 16 divisors (see below), whose sum is σ = 187295184. Its totient is φ = 40495680.

The previous prime is 102646009. The next prime is 102646067. The reversal of 102646030 is 30646201.

It is a junction number, because it is equal to n+sod(n) for n = 102645992 and 102646010.

It is a congruent number.

It is an unprimeable number.

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, 69576 + ... + 71035.

It is an arithmetic number, because the mean of its divisors is an integer number (11705949).

Almost surely, 2102646030 is an apocalyptic number.

102646030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102646030 is a deficient number, since it is larger than the sum of its proper divisors (84649154).

102646030 is a wasteful number, since it uses less digits than its factorization.

102646030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140691.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102646030 is about 10131.4377064659. The cubic root of 102646030 is about 468.2172238968.

The spelling of 102646030 in words is "one hundred two million, six hundred forty-six thousand, thirty".

Divisors: 1 2 5 10 73 146 365 730 140611 281222 703055 1406110 10264603 20529206 51323015 102646030