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29191130 = 252919113
BaseRepresentation
bin110111101011…
…0101111011010
32000221001200222
41233112233122
524433104010
62521400042
7503056223
oct157265732
960831628
1029191130
1115528801
129939022
136080a77
143c3c24a
152869355
hex1bd6bda

29191130 has 8 divisors (see below), whose sum is σ = 52544052. Its totient is φ = 11676448.

The previous prime is 29191079. The next prime is 29191133. The reversal of 29191130 is 3119192.

It can be written as a sum of positive squares in 2 ways, for example, as 26697889 + 2493241 = 5167^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29191130.

It is not an unprimeable number, because it can be changed into a prime (29191133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1459547 + ... + 1459566.

Almost surely, 229191130 is an apocalyptic number.

29191130 is a deficient number, since it is larger than the sum of its proper divisors (23352922).

29191130 is a wasteful number, since it uses less digits than its factorization.

29191130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919120.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 29191130 is about 5402.8816385333. The cubic root of 29191130 is about 307.9051613892.

The spelling of 29191130 in words is "twenty-nine million, one hundred ninety-one thousand, one hundred thirty".

Divisors: 1 2 5 10 2919113 5838226 14595565 29191130