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129630410 = 25713167853
BaseRepresentation
bin1111011101000…
…00000011001010
3100000220220111022
413232200003022
5231141133120
620510232442
73132561140
oct756400312
9300826438
10129630410
116719a278
12374b5722
1320b194b0
1413305590
15b5a9025
hex7ba00ca

129630410 has 64 divisors (see below), whose sum is σ = 289239552. Its totient is φ = 40732416.

The previous prime is 129630379. The next prime is 129630419. The reversal of 129630410 is 14036921.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 129630410.

It is not an unprimeable number, because it can be changed into a prime (129630419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151544 + ... + 152396.

It is an arithmetic number, because the mean of its divisors is an integer number (4519368).

Almost surely, 2129630410 is an apocalyptic number.

129630410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129630410 is an abundant number, since it is smaller than the sum of its proper divisors (159609142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129630410 is a wasteful number, since it uses less digits than its factorization.

129630410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 129630410 is about 11385.5351213722. The cubic root of 129630410 is about 506.0991775476.

The spelling of 129630410 in words is "one hundred twenty-nine million, six hundred thirty thousand, four hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 167 182 334 455 835 853 910 1169 1670 1706 2171 2338 4265 4342 5845 5971 8530 10855 11089 11690 11942 15197 21710 22178 29855 30394 55445 59710 75985 77623 110890 142451 151970 155246 284902 388115 712255 776230 997157 1424510 1851863 1994314 3703726 4985785 9259315 9971570 12963041 18518630 25926082 64815205 129630410