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129410 = 2512941
BaseRepresentation
bin11111100110000010
320120111222
4133212002
513120120
62435042
71046201
oct374602
9216458
10129410
1189256
1262a82
1346b98
1435238
1528525
hex1f982

129410 has 8 divisors (see below), whose sum is σ = 232956. Its totient is φ = 51760.

The previous prime is 129403. The next prime is 129419. The reversal of 129410 is 14921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128881 + 529 = 359^2 + 23^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129419) 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, 6461 + ... + 6480.

2129410 is an apocalyptic number.

129410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129410 is a deficient number, since it is larger than the sum of its proper divisors (103546).

129410 is a wasteful number, since it uses less digits than its factorization.

129410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 129410 is about 359.7360143216. The cubic root of 129410 is about 50.5812175442.

The spelling of 129410 in words is "one hundred twenty-nine thousand, four hundred ten".

Divisors: 1 2 5 10 12941 25882 64705 129410