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29528180 = 22511134219
BaseRepresentation
bin111000010100…
…1000001110100
32001120012001022
41300221001310
530024400210
62532520312
7505661663
oct160510164
961505038
1029528180
1115738a60
129a80098
13616b2c6
143cc8dda
1528d4155
hex1c29074

29528180 has 24 divisors (see below), whose sum is σ = 67646880. Its totient is φ = 10737440.

The previous prime is 29528171. The next prime is 29528189. The reversal of 29528180 is 8182592.

It is an interprime number because it is at equal distance from previous prime (29528171) and next prime (29528189).

It is a super-2 number, since 2×295281802 = 1743826828224800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29528180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29528189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66890 + ... + 67329.

It is an arithmetic number, because the mean of its divisors is an integer number (2818620).

Almost surely, 229528180 is an apocalyptic number.

29528180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29528180 is an abundant number, since it is smaller than the sum of its proper divisors (38118700).

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

29528180 is a wasteful number, since it uses less digits than its factorization.

29528180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134239 (or 134237 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 29528180 is about 5433.9838056439. The cubic root of 29528180 is about 309.0856861338.

The spelling of 29528180 in words is "twenty-nine million, five hundred twenty-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 134219 268438 536876 671095 1342190 1476409 2684380 2952818 5905636 7382045 14764090 29528180