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29053180 = 22513131853
BaseRepresentation
bin110111011010…
…1000011111100
32000200001110201
41232311003330
524414200210
62514413244
7501643102
oct156650374
960601421
1029053180
11154440a2
129891224
136033040
143c03c72
15283d53a
hex1bb50fc

29053180 has 48 divisors (see below), whose sum is σ = 66284064. Its totient is φ = 10632960.

The previous prime is 29053159. The next prime is 29053181. The reversal of 29053180 is 8135092.

It is a super-2 number, since 2×290531802 = 1688174536224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29053181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33634 + ... + 34486.

It is an arithmetic number, because the mean of its divisors is an integer number (1380918).

Almost surely, 229053180 is an apocalyptic number.

29053180 is a gapful number since it is divisible by the number (20) 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 29053180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33142032).

29053180 is an abundant number, since it is smaller than the sum of its proper divisors (37230884).

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

29053180 is a wasteful number, since it uses less digits than its factorization.

29053180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 29053180 is about 5390.1001845977. The cubic root of 29053180 is about 307.4193676703.

The spelling of 29053180 in words is "twenty-nine million, fifty-three thousand, one hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 131 260 262 524 655 853 1310 1703 1706 2620 3406 3412 4265 6812 8515 8530 11089 17030 17060 22178 34060 44356 55445 110890 111743 221780 223486 446972 558715 1117430 1452659 2234860 2905318 5810636 7263295 14526590 29053180