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29893422 = 23131923877
BaseRepresentation
bin111001000001…
…0001100101110
32002020202001210
41302002030232
530123042142
62544415250
7512042556
oct162021456
962222053
1029893422
1115968409
12a017526
136268620
143d82166
15295749c
hex1c8232e

29893422 has 64 divisors (see below), whose sum is σ = 70801920. Its totient is φ = 8325504.

The previous prime is 29893421. The next prime is 29893439. The reversal of 29893422 is 22439892.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29893421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33648 + ... + 34524.

It is an arithmetic number, because the mean of its divisors is an integer number (1106280).

Almost surely, 229893422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29893422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35400960).

29893422 is an abundant number, since it is smaller than the sum of its proper divisors (40908498).

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

29893422 is a wasteful number, since it uses less digits than its factorization.

29893422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its digits is 62208, while the sum is 39.

The square root of 29893422 is about 5467.4877228943. The cubic root of 29893422 is about 310.3548555236.

The spelling of 29893422 in words is "twenty-nine million, eight hundred ninety-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 19 23 26 38 39 46 57 69 78 114 138 247 299 437 494 598 741 874 877 897 1311 1482 1754 1794 2622 2631 5262 5681 11362 11401 16663 17043 20171 22802 33326 34086 34203 40342 49989 60513 68406 99978 121026 216619 262223 383249 433238 524446 649857 766498 786669 1149747 1299714 1573338 2299494 4982237 9964474 14946711 29893422