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102830192 = 247981353
BaseRepresentation
bin1100010000100…
…01000001110000
321011111022111122
412020101001300
5202311031232
614112001412
72356020323
oct610210160
9234438448
10102830192
1153054933
122a530268
13183c4a8a
14d92a7ba
159063312
hex6211070

102830192 has 20 divisors (see below), whose sum is σ = 201757920. Its totient is φ = 50763648.

The previous prime is 102830191. The next prime is 102830197. The reversal of 102830192 is 291038201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102830191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39413 + ... + 41940.

It is an arithmetic number, because the mean of its divisors is an integer number (10087896).

Almost surely, 2102830192 is an apocalyptic number.

It is an amenable number.

102830192 is a deficient number, since it is larger than the sum of its proper divisors (98927728).

102830192 is an equidigital number, since it uses as much as digits as its factorization.

102830192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81440 (or 81434 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 102830192 is about 10140.5222745182. The cubic root of 102830192 is about 468.4970733408.

Adding to 102830192 its reverse (291038201), we get a palindrome (393868393).

The spelling of 102830192 in words is "one hundred two million, eight hundred thirty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 79 158 316 632 1264 81353 162706 325412 650824 1301648 6426887 12853774 25707548 51415096 102830192