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29213429 = 7171271933
BaseRepresentation
bin110111101110…
…0001011110101
32000222012021212
41233130023311
524434312204
62522051205
7503211230
oct157341365
960865255
1029213429
1115543533
129949b05
13608ac6b
143c46417
152870c6e
hex1bdc2f5

29213429 has 16 divisors (see below), whose sum is σ = 35647488. Its totient is φ = 23369472.

The previous prime is 29213389. The next prime is 29213453. The reversal of 29213429 is 92431292.

It is not a de Polignac number, because 29213429 - 220 = 28164853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29213395 and 29213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29213479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14147 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (2227968).

Almost surely, 229213429 is an apocalyptic number.

It is an amenable number.

29213429 is a deficient number, since it is larger than the sum of its proper divisors (6434059).

29213429 is a wasteful number, since it uses less digits than its factorization.

29213429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its digits is 7776, while the sum is 32.

The square root of 29213429 is about 5404.9448655837. The cubic root of 29213429 is about 307.9835439850.

The spelling of 29213429 in words is "twenty-nine million, two hundred thirteen thousand, four hundred twenty-nine".

Divisors: 1 7 17 119 127 889 1933 2159 13531 15113 32861 230027 245491 1718437 4173347 29213429