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29132628 = 22371723887
BaseRepresentation
bin110111100100…
…0011101010100
32000211002110020
41233020131110
524424221003
62520225140
7502423530
oct157103524
960732406
1029132628
1115498858
12990b1b0
136060255
143c24bc0
152856d53
hex1bc8754

29132628 has 96 divisors (see below), whose sum is σ = 85929984. Its totient is φ = 7484928.

The previous prime is 29132627. The next prime is 29132633. The reversal of 29132628 is 82623192.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29132627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32401 + ... + 33287.

It is an arithmetic number, because the mean of its divisors is an integer number (895104).

Almost surely, 229132628 is an apocalyptic number.

29132628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29132628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42964992).

29132628 is an abundant number, since it is smaller than the sum of its proper divisors (56797356).

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

29132628 is a wasteful number, since it uses less digits than its factorization.

29132628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 29132628 is about 5397.4649605162. The cubic root of 29132628 is about 307.6993327178.

The spelling of 29132628 in words is "twenty-nine million, one hundred thirty-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 23 28 34 42 46 51 68 69 84 92 102 119 138 161 204 238 276 322 357 391 476 483 644 714 782 887 966 1173 1428 1564 1774 1932 2346 2661 2737 3548 4692 5322 5474 6209 8211 10644 10948 12418 15079 16422 18627 20401 24836 30158 32844 37254 40802 45237 60316 61203 74508 81604 90474 105553 122406 142807 180948 211106 244812 285614 316659 346817 422212 428421 571228 633318 693634 856842 1040451 1266636 1387268 1713684 2080902 2427719 4161804 4855438 7283157 9710876 14566314 29132628