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10001429 = 19526391
BaseRepresentation
bin100110001001…
…110000010101
3200211010101022
4212021300111
510030021204
6554210525
7151003454
oct46116025
920733338
1010001429
115711249
123423a45
1320c2409
141484b9b
15d285be
hex989c15

10001429 has 4 divisors (see below), whose sum is σ = 10527840. Its totient is φ = 9475020.

The previous prime is 10001419. The next prime is 10001441. The reversal of 10001429 is 92410001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001429 - 212 = 9997333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001419) 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, 263177 + ... + 263214.

It is an arithmetic number, because the mean of its divisors is an integer number (2631960).

Almost surely, 210001429 is an apocalyptic number.

10001429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10001429 is a deficient number, since it is larger than the sum of its proper divisors (526411).

10001429 is an equidigital number, since it uses as much as digits as its factorization.

10001429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526410.

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

The square root of 10001429 is about 3162.5035968359. The cubic root of 10001429 is about 215.4537308050.

The spelling of 10001429 in words is "ten million, one thousand, four hundred twenty-nine".

Divisors: 1 19 526391 10001429