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29221914 = 23231071979
BaseRepresentation
bin110111101111…
…0010000011010
32000222121221010
41233132100122
524440100124
62522154350
7503245041
oct157362032
960877833
1029221914
1115549947
1299529b6
136091a97
143c49558
152873529
hex1bde41a

29221914 has 32 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 9225392.

The previous prime is 29221903. The next prime is 29221957. The reversal of 29221914 is 41912292.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13777 + ... + 15755.

It is an arithmetic number, because the mean of its divisors is an integer number (1924560).

Almost surely, 229221914 is an apocalyptic number.

29221914 is an abundant number, since it is smaller than the sum of its proper divisors (32364006).

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

29221914 is a wasteful number, since it uses less digits than its factorization.

29221914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its digits is 2592, while the sum is 30.

The square root of 29221914 is about 5405.7297379725. The cubic root of 29221914 is about 308.0133588966.

It can be divided in two parts, 29221 and 914, that added together give a triangular number (30135 = T245).

The spelling of 29221914 in words is "twenty-nine million, two hundred twenty-one thousand, nine hundred fourteen".

Divisors: 1 2 3 6 23 46 69 107 138 214 321 642 1979 2461 3958 4922 5937 7383 11874 14766 45517 91034 136551 211753 273102 423506 635259 1270518 4870319 9740638 14610957 29221914