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29129906 = 2134792339
BaseRepresentation
bin110111100011…
…1110010110010
32000210221201102
41233013302302
524424124111
62520204402
7502412561
oct157076262
960727642
1029129906
1115496803
129909702
13605bc40
143c23bd8
15285613b
hex1bc7cb2

29129906 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 13410768.

The previous prime is 29129897. The next prime is 29129917. The reversal of 29129906 is 60992192.

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 29129906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11285 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 229129906 is an apocalyptic number.

29129906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29129906 is a deficient number, since it is larger than the sum of its proper divisors (18044494).

29129906 is a wasteful number, since it uses less digits than its factorization.

29129906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 29129906 is about 5397.2127992141. The cubic root of 29129906 is about 307.6897491486.

The spelling of 29129906 in words is "twenty-nine million, one hundred twenty-nine thousand, nine hundred six".

Divisors: 1 2 13 26 479 958 2339 4678 6227 12454 30407 60814 1120381 2240762 14564953 29129906