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29092220 = 2252950159
BaseRepresentation
bin110111011111…
…0100101111100
32000202001000122
41232332211330
524421422340
62515314112
7502164653
oct156764574
960661018
1029092220
1115470463
1298ab938
136047a41
143c1419a
152849db5
hex1bbe97c

29092220 has 24 divisors (see below), whose sum is σ = 63201600. Its totient is φ = 11235392.

The previous prime is 29092207. The next prime is 29092237. The reversal of 29092220 is 2229092.

It is a self number, because there is not a number n which added to its sum of digits gives 29092220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24500 + ... + 25659.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 229092220 is an apocalyptic number.

29092220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29092220 is an abundant number, since it is smaller than the sum of its proper divisors (34109380).

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

29092220 is a wasteful number, since it uses less digits than its factorization.

29092220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50197 (or 50195 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 29092220 is about 5393.7204228621. The cubic root of 29092220 is about 307.5570035552.

The spelling of 29092220 in words is "twenty-nine million, ninety-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 50159 100318 200636 250795 501590 1003180 1454611 2909222 5818444 7273055 14546110 29092220