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102310030 = 2511818663
BaseRepresentation
bin1100001100100…
…10000010001110
321010111212222101
412012102002032
5202142410110
614052505314
72351422654
oct606220216
9233455871
10102310030
115282a049
122a31b23a
13182720a4
14d832dd4
158eae13a
hex619208e

102310030 has 16 divisors (see below), whose sum is σ = 184335264. Its totient is φ = 40884640.

The previous prime is 102310027. The next prime is 102310031. The reversal of 102310030 is 30013201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102309989 and 102310016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102310031) 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, 7479 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (11520954).

Almost surely, 2102310030 is an apocalyptic number.

102310030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102310030 is a deficient number, since it is larger than the sum of its proper divisors (82025234).

102310030 is a wasteful number, since it uses less digits than its factorization.

102310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9851.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 102310030 is about 10114.8420650053. The cubic root of 102310030 is about 467.7057803223.

Adding to 102310030 its reverse (30013201), we get a palindrome (132323231).

The spelling of 102310030 in words is "one hundred two million, three hundred ten thousand, thirty".

Divisors: 1 2 5 10 1181 2362 5905 8663 11810 17326 43315 86630 10231003 20462006 51155015 102310030