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29193988 = 227298497
BaseRepresentation
bin110111101011…
…1011100000100
32000221012121211
41233113130010
524433201423
62521421204
7503100445
oct157273404
960835554
1029193988
111552a96a
12993a804
136082165
143c3d2cc
15286a10d
hex1bd7704

29193988 has 6 divisors (see below), whose sum is σ = 51089486. Its totient is φ = 14596992.

The previous prime is 29193979. The next prime is 29194001. The reversal of 29193988 is 88939192.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 806404 = 5328^2 + 898^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3649245 + ... + 3649252.

Almost surely, 229193988 is an apocalyptic number.

It is an amenable number.

29193988 is a deficient number, since it is larger than the sum of its proper divisors (21895498).

29193988 is a wasteful number, since it uses less digits than its factorization.

29193988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298501 (or 7298499 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 29193988 is about 5403.1461205487. The cubic root of 29193988 is about 307.9152096953.

The spelling of 29193988 in words is "twenty-nine million, one hundred ninety-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7298497 14596994 29193988