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29449140 = 2235770117
BaseRepresentation
bin111000001010…
…1101110110100
32001102011121220
41300111232310
530014333030
62531110340
7505212360
oct160255664
961364556
1029449140
1115694636
129a423b0
136141336
143ca82a0
1528baa10
hex1c15bb4

29449140 has 48 divisors (see below), whose sum is σ = 94238592. Its totient is φ = 6731136.

The previous prime is 29449139. The next prime is 29449159. The reversal of 29449140 is 4194492.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34639 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (1963304).

Almost surely, 229449140 is an apocalyptic number.

29449140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29449140 is an abundant number, since it is smaller than the sum of its proper divisors (64789452).

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

29449140 is a wasteful number, since it uses less digits than its factorization.

29449140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70136 (or 70134 counting only the distinct ones).

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

The square root of 29449140 is about 5426.7061833123. The cubic root of 29449140 is about 308.8096564450.

The spelling of 29449140 in words is "twenty-nine million, four hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 70117 140234 210351 280468 350585 420702 490819 701170 841404 981638 1051755 1402340 1472457 1963276 2103510 2454095 2944914 4207020 4908190 5889828 7362285 9816380 14724570 29449140