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29190243 = 323479001
BaseRepresentation
bin110111101011…
…0100001100011
32000221000111010
41233112201203
524433041433
62521352003
7503053515
oct157264143
960830433
1029190243
1115528075
129938603
136080544
143c3bbb5
152868e63
hex1bd6863

29190243 has 16 divisors (see below), whose sum is σ = 41481216. Its totient is φ = 18216000.

The previous prime is 29190229. The next prime is 29190247. The reversal of 29190243 is 34209192.

It is not a de Polignac number, because 29190243 - 216 = 29124707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29190243.

It is not an unprimeable number, because it can be changed into a prime (29190247) 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, 1258 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (2592576).

Almost surely, 229190243 is an apocalyptic number.

29190243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29190243 is a deficient number, since it is larger than the sum of its proper divisors (12290973).

29190243 is a wasteful number, since it uses less digits than its factorization.

29190243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 29190243 is about 5402.7995520841. The cubic root of 29190243 is about 307.9020426947.

The spelling of 29190243 in words is "twenty-nine million, one hundred ninety thousand, two hundred forty-three".

Divisors: 1 3 23 47 69 141 1081 3243 9001 27003 207023 423047 621069 1269141 9730081 29190243