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102130292 = 2211319183
BaseRepresentation
bin1100001011001…
…10001001110100
321010011202102102
412011212021310
5202121132132
614045001232
72350043645
oct605461164
9233152372
10102130292
1152717000
122a253218
131820b334
14d7c76cc
158e75c62
hex6166274

102130292 has 24 divisors (see below), whose sum is σ = 196597632. Its totient is φ = 46420440.

The previous prime is 102130283. The next prime is 102130297. The reversal of 102130292 is 292031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130297) 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, 4268 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (8191568).

Almost surely, 2102130292 is an apocalyptic number.

It is an amenable number.

102130292 is a deficient number, since it is larger than the sum of its proper divisors (94467340).

102130292 is a wasteful number, since it uses less digits than its factorization.

102130292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19220 (or 19196 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102130292 is about 10105.9532949643. The cubic root of 102130292 is about 467.4317316692.

Adding to 102130292 its reverse (292031201), we get a palindrome (394161493).

It can be divided in two parts, 1021 and 30292, that added together give a palindrome (31313).

The spelling of 102130292 in words is "one hundred two million, one hundred thirty thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 19183 38366 76732 211013 422026 844052 2321143 4642286 9284572 25532573 51065146 102130292